This document provides an owner's manual for an electric golf cart. It includes sections on vehicle features, safety information, pre-operation checks, operating instructions, on-board charging, batteries, tires, modifications, maintenance, storage and specifications. The manual emphasizes performing pre-operation checks of the brakes, tires, lights, signals and controls to ensure safety. It also outlines proper use of the key switch, indicators, dashboard and lights and horn controls during operation. Maintenance sections cover tools, vehicle, chassis, electrical components and storage procedures.

1. OWNER’S MANUAL
GOLF CAR SERIES
VERSION :20113001

2. TABLES OF CONTENTS
COLOR OPTIONS............................................................................................... 1
VEHICLE FEATURES........................................................................................ 2
SAFETY INFORMATION.................................................................................. 4
HDK DECLARATION ........................................................................................ 6
IMPORTANT DECALS ...................................................................................... 7
PRE-OPERATIONS............................................................................................. 8
OPERATING INSTRUCTION......................................................................... 11
Brake and Accelerator .................................................................................... 11
Key switch and Indicators .............................................................................. 11
Dash board ....................................................................................................... 12
Light and Horn control................................................................................... 13
ON BOARD CHARGER.................................................................................... 14
Charger’s calibration ...................................................................................... 15
How to program charger without calibration box ....................................... 16
BATTERIES........................................................................................................ 18
TIRES................................................................................................................... 19
VEHICLE MODIFICATIONS ......................................................................... 20
Controller ......................................................................................................... 20
Motor and Rear axle ....................................................................................... 20
Headlights......................................................................................................... 20
Tires .................................................................................................................. 21
Golf cart accessories option ............................................................................ 21
VEHICLE MAINTENANCE ............................................................................ 22
Tools.................................................................................................................. 22
Vehicle maintenance........................................................................................ 23
Chassis maintenance ....................................................................................... 24
Electric components maintenance.................................................................. 26
VEHICLE STORAGE ....................................................................................... 28
SPECIFICATION............................................................................................... 29

3. COLOR OPTIONS
1
HDK HAS CUSTOMCOLORS AVAILABLE UPON REQUEST.
SPECIAL COLORS MAY REQUIRE ADDITIONAL COST.

4. VEHICLE FEATURES
2

5. VEHICLE FEATURES
3
EVERY HDK GOLF CART HAS THE
HOT-GALVANIZED-DIP CHASSIS. THIS
ASSURES YOU “NO RUST FOR 15
YEARS”.

6. SAFETY INFORMATIONS
4
CHILDREN ARE NOT ALLOWED TO PLAY WITH
THE VEHICLE.
DO NOT DRIVE THE VEHICLE OVER 25MPH/H.
DRIVING O V E R T H E S PE E D L I MI T MAY
CAUSE SEVERE INJURY.
WHEN MAKING A SHARP LEFT TURN, APPLY
THE BRAKE TO LIMIT SPEED.
WHEN MAKING A SHARP RIGHT TURN, APPLY
BRAKE TO LIMIT SPEED.
APPLY THE BRAKE TO LIMIT SPEED WHILE
DRIVING ON A STEEPHILL.
DO NOT DRIVE VEHICLES ACROSSED SLOPES
MORE THAN A 25 DEGREE ANGLE.

7. SAFETY INFORMATIONS
5
BATTERY POSTS, TERMINALS AND RELATED
ACCESSORIES CONTAIN LEAD AND LEAD COMPOUNDS.
THESE CHEMICALS ARE KNOWN FOR CAUSING
CANCERAND REPRODUCTIVE INJURIES.
WASH HANDS AFTER HANDLING ANY BATTERIES.
THE BATTERY WILL GENERATE HYDROGEN GAS
DURING THE CHARING PROCESS.
KEEP SMOKE, EXPLOSIVE MATERIAL AND STATIC
ELECTRICITY AWAY FROM THE BATTERY.
USE AN ISOLATED WRENCH TO OPERATE ON
THE BATTERY IN CASE THE BATTERY
SHORT CIRCUITS. SHORT CIRCUITS GENERATE
BIG CURRENTS THAT WILL CAUSE INJURY.
Grand Safety information
The owner’s manual contains important safety information. The following decals should be
noticed and followed to prevent future injuries.
Indicates the regarding situations- is very important.
Indicates the regarding situations- may cause minor injury or other
loss.
Indicates the regarding situations- may cause death or serious
injury.

8. HDK DECLARATION
6
HDK Vehicles USA, LLC mainly deals with five types of the electric
vehicles. Such as the electric golf car, shuttle bus, utility cart, engineer
and transportation cart, and special electric cars. Among which is the
DEL3022G series of electric golf cars. Our golf car is environmentally
friendly and suitable for use on the course, hotels and other business
places. All the key components are imported from well-known
companies. The car has been designed to take on a new fashion look for
electric carts and provides stable performance, flexible control, and
comfortable driving. Our golf car is used as people movers or utility cars
in vacation villages, villa areas, resort hotels, private residential areas,
tourist scenic spots, or any other place where this type of golf car is
allowed. The warranty papers are to standardize the after-sale service
for export vehicles, settle the claims efficiently, and improve our after-
sale service.
HDK Electric Vehicles has been dedicated in electric vehicles
manufacturing since 2006. HDK customers range from all over the
world. HDK Electric Vehicles promises any customer who buys an
HDK vehicle, HDK technicians will be always be ready to fix any
problems that may arise. We provide splendid quality of after sale
service.
For more warranty information please read the limited warranty
paperwork that customers receive with a purchase of an HDK vehicle.

9. IMPORTANT DECALS
7Vehicle’s
＊Vehicle’s serial number Manufacturing year
Serial number
Vehicles manufactured by HDK Electric
Vehicles all have vehicle serial numbers on the
left side of the chassis frame. The first four
numbers are the manufacturing year of the
vehicle. The other five numbers are the vehicle’s
serial number given by HDK. All the vehicles are
recorded. After the vehicles are sold out of the
factory, HDK will track the vehicles by using the
vehicle’s serial number as identity. Serial
numbers are the insurance warranty of HDK.
Customers should be aware of the importance of
the vehicle’s serial numbers.
＊Steering wheel decals
DO NOT REMOVE while using the
vehicles or during routine maintenance.
②
①
③
①. Steering wheel
②. HDK decal
③. Vehicle operating
instructions decal

10. IMPORTANT DECALS
8
＊Charger’s decals
③
②
④
①
①. Charger
②. Charger’s indicating decal
③. Charger’s stage display decal
④. HDK charger’s information
decal
⑤. Caution and warning decal
⑤

11. PRE-OPERATIONS
9
④
① Before using t h e vehicle, the batteries should be
fully charged. Estimated charging time should be
more than 10 hours.
②
Check the accelerator pedal. When stepped on and
released it should return to its original position with
full flexibility.
③ Check the brake pedal. W hen stepped o n it should be
flexible and feel firm. W h e n r e l e a s e d , i t should
return to its original position with flexibility.
Check the tires’ pressure. It should be inflated until the
pressure is around 20~23PSL (138kpa~159kpa)
Check the signal lights. The brake lights and turning
lights should be in proper working condition.
Check the reverse beeper. When the direction selecting
switch is set at “REV”, it should beep consistently.

12. PRE-OPERATIONS
10
Check the tires’ surface. Remove any embedded objects you
can find. Be sure there are no cracks or other damages to
the tires. Defective tires may cause accidents while driving.
Check the level of the lubricant in the rear axle. Use a
clean stick; stick it into the rear axle and reach the
bottom. T a k e it out, check the depth, it should be
more than 13cm (1.3L).
Pull the steering wheel up and down. Check the
tightness of t h e steering wheel. Rotate the steering
wheel right and left. Be sure no excessive free play and
rattling sound occur.
Check the tightness of the battery wiring; make sure all
the nuts are solidly tight. Loose nuts and bolts on the
battery will cause big sparks while operating.
Pre-operations are extremely important, the owners of the vehicle should be aware all the required
operations needed to be executed before using the vehicle. The status of the vehicle is very
important to the safety of the passengers on board.
BE SURE TO DO THE PRE-OPERATION JOB.

13. OPERATING INSTRUCTION
11＊Brake and Accelerator
① ② ③
① Use the accelerator pedal to control the vehicle’s speed. ② Use the brake
pedal to decrease velocity. ③ Use the parking brake to keep car stationary.
＊Key switch and indicators ⑤
④
⑥
④ Use key switch to turn on the main power. ⑤ Use direction selecting switch
to change the vehicle’s moving direction. ⑥ Use the power switch to turn on the
vehicle’s power (only 48V systems have the power switch)

14. OPERATING INSTRUCTION
12
＊Dashboard functions
⑧
⑨
⑦
⑩
(7) Dashboard (8) Controls and indicators panel (9) Golf ball holder
(10) Bottle holder (11) Tee holder
※NOTES
The dashboard is designed according to the usages of the vehicles that are applied
on the golf course. Owners should get familiar with the functions that the vehicle has.

15. OPERATING INSTRUCTION
13
＊Lights and horn control
Ⅰ Ⅲ
Switch assembly
Ⅱ Ⅳ
Ⅰ. Turn on the right turning lights Ⅱ. Turn on the left turning lights
Ⅲ. Horn button Ⅳ. Turn on the headlights
Grand information of operation
Always use the vehicle in a responsible manner and maintain the vehicle in a safe
operating condition.
Always read and observe all warnings and operation instruction labels affixed to the
vehicle.
Always follow all safety rules established in the area where the vehicle is being operated.
Always reduce speed to compensate for poor terrain or conditions.
Always apply service brake to control speed on steep grades.
Always maintain adequate distance between vehicles.
Always reduce speed in wet areas.
Always use extreme caution when approaching sharp or blind turns.
Always use extreme caution when driving over loose terrain.
Always use extreme caution in areas where pedestrians are present.

16. ON-BOARD CHARGER
14
＊On-board charger
1 Red LED steady on: error occurred
2 Orange LED flashing: Low AC voltage
3 Red LED & Green LED flashing
alternately(slow):<80% Charger
4 Red LED & Green LED flashing
alternately(frequently):≥ 80% Charger
5 Green LED steady on : battery fully
charged
Ⅰ. Charger’sSpecifications
ⅰ. Charging display process
TRE BUL CONSTANT
VOLTAGE
ⅱ. LED display
HDK Charger is highly intellective; charger can be
calibrated to be 36V or 48V. The chargers have
electronic protection, auto-reset, and electronic
current limit.
FLOAT
CHARGE
FULLY
CHARGED
Charger’s calibrations and malfunction solutions
ⅰ. Alert and error display
Code Reason Solving method
E01
No charging function. Inspect if the connecting terminals are in proper connection
Battery temperature is too high or too low. Check if the battery temperature is in the range of-10℃-50℃
E02
No battery connection; battery voltage too high or
too low.
Inspect if the battery voltage is in the range (48:12V to
55.2V/36V:9V to 41.4V).In-charging display E02, 48V battery
mode, battery voltage is above 67.2;In 36V battery mode,
battery voltage is above 50.4V.
E03
Battery is not fully charged for long time (overtime
charging)
Inspect if the battery connecting terminals are loose or rusted
E04
Battery cannot have TRE charging, charging to
the least normal voltage. That means voltage unable
to be
charged in.
Inspect if the battery is shorted or individual battery cell
damaged
E05 Charger internal temperature high
Ensure that surrounding temperature is not too high , and
ventilation is good , and the charger should be turned off .
E06 Charger internal damage Turn off the charger and send it to service dept. for repairing
E07 Grid power low Inspect the grid power
RL1 Grid power alert Inspect the grid power

17. ON-BOARD CHARGER
15
＊On-board charger
ⅱ. Charger’scalibration
BEFORE CHARGING, THE HDK
ON BOARD CHARGER HAS TO BE
STRICTLY CALIBRATED TO THE
CORRECT CODE WHICH IS DESIGNED
FOR A SPECIFIC BATTERY TYPE.
PROGRAM CODE CONTRAST TABLE
48V36V BATTERY 48V 36V BATTERY
b01b51 Trojan flooded b15 b65 Trojan T875
b02b52 Trojan T105 flooded b16 b66 Us 2000 flooded
b03b53 Discover 80-150AH AGM b17 b67 US2200 flooded
b04b54 Discover AGM b18 b68 Us 250hc flooded
b05b55 US battery flooded b19 b69 6TB-170AGM
b06b56 Trojan 30XHS b20 b70 Generic 140-200Ah AGM
b08b58 Trojan J305 b21 b71 Generic 200-250 Ah AGM
b09b59 Generic 200-255 Ah flooded b22 b72 Generic 250-335 Ah AGM
b11b61 Trojan 1275 b26 b76 Generic 140-200Ah flooded
①b13b63 Trojan T605 b27 b77 Generic 250-335Ah flooded
b14b64 12TB-115AGM b28 b78 Generic 400Ah flooded
Operation illustration
Ⅰ. Inspection of the charger acquiescent charging category
Entering display charge category mode:
ⅰ. Disconnect AC input wires.
ⅱ. Disconnect between the charger output and battery.
ⅲ. A. When AC input is connected the display will show the program revision. After around 5 seconds later, it will show the charger
output voltage and complete the self-inspection process.
B. Display continues to show b01 10 seconds, exit the acquiescent charging mode, display shows E02.
ⅳ. Disconnect AC in put wires. If there is need to change the charging category setting, the
positive (Red)/negative (Black) terminals of the output wires should be connected to the battery
positive (Red)/negative (Black) terminals. After connecting the grid power, the charger can start charging the battery code.
ⅴ. Turn on the power of the calibration box ,press button “+ “to increase code number , press “-“ to decrease the code number
;until to the right code of the battery .
Press “SAVE” button to save the setting, the code display will flash after save the setting.

18. ① ② Connect the negative output
①Plug the charger to the
grid power, t h e c h a r g e r
②will display “E02.
terminal to the batteries terminal
pole.
Use the positive terminal to
touch the batteries’ positive to
change the charger’s code.
BE SURE THE OUTPUT
TERMINALS DO NOT HAVE
ANY CONTACT BEFORE
PLUGGING THE CHARGER TO
GRID POWER.
Operation illustration
Ⅰ. Enter the battery selection mode (batteries are not connected to charger);
Ⅱ. When the display shows the default charging category, charger output wire negative terminal (black/white
wire) c o n n e c t s to battery negative terminal. Use the charger output wire positive ring terminal to touch the battery
positive terminal for 3 seconds (+/-0.5 second).Remove the ring terminal. The display shows addition of the battery category
(eg. b01 adding to b02.Remark: If the charger output wire positive ring terminal is removed, the display shows the battery
charging category without addition. this illustrate that the touching time is not suff icient for 3 seconds. Please repeat the
operation);
Ⅲ. If this continues to increase, steps 2 should be repeated (remark: if the operation stop time exceeds 30 seconds during the
operation process, the display will show E02. Please did connect the grid power until nothing shown on display .then connect to
grid power again and repeat the setting);
Ⅳ. If the current setting needs to be stored, the charger output wire positive ring terminal should be used to touch the battery
positive terminal for more than 10 seconds. When the replay activation sound is heard and the display flashes ,then the
new setting is successfully stored;
Ⅴ. Disconnect the grid power until nothing shown on the display. Then, re-connect the grid power, and inspect if the charger
charging category is correct.
Ⅵ. After inspection confirms correct, the grid power should be disconnected until nothing shown on display. The charger
output wire positive terminal (red) should be properly connected to the battery positive terminal. Then connect to the grid
power, and start charging.

19. ON-BOARD CHARGER
17
ONLY PROFESSIONAL PERSONS ARE ALLOWED TO CONDUCT THE ADJUSTING OR REPAIRS ON CHARGER.
ANYONE WHO HAS NO EXPERIENCE ON ELECTRONIC COMPONENTS MAINTENANCE IS NOT ALLOWED TO
OPERATE ON THE CHARGER. UNREQUIED OPERATIONS ON THE CHARGER MAY CAUSE ELECTRIC SHOCK,
MAY LEAD TO DEATH.
DO NOT OPEN UP THE CHARGER. ANY ATTEMPTIONS TO TRY TO REPAIR THE DEFECT CHARGER SHOULD BE
UNDER THE GUIDANCE OF A DEALER OR MANUFACTURER’S TECHNICIAN.
USE THE CHARGER ONLY WITH AN ALGORITHM SELECTED THAT IS APPROPRIATE TO THE SPECIFIC
BATTERY TYPE. OTHER USAGE MAY CAUSE PERSONAL INJURY AND DAMAGE. LEAD ACID BATTERIES MAY
GENERATE EXPLOSIVE HYDROGEN GAS DURING NORMAL OPERATION. KEEP SPARKS, FLAMES, AND
SMOKING MATERIALS AWAY FROM THE BATTERIES.
PROVIDE ADEQUATE VENTLIATION DURING CHARGING. NEVER CHARGE A FROZEN BATTERY. BATTERIES’
CAPS SHOULD BE REMOVED WHILE CHARGING.
RISK OF THE ELECTRIC SHOCK: CONNECT CHARGER POWER CORD TO AN OUTLET THAT HAS BEEN
PROPERLY ISTALLED AND GROUNDED IN ACCORDANCE WITH ALL LOCAL CODES AND ORDINANCES. A GROUND
OUTLET IS REQUIRED TO REDUCE RISK OF THE ELECTRIC SHOCK. DO NOT USE GROUND ADAPTERS OR MODIFY
PLUG. DO NOT TOUCH UNINSULATED PORTION OF THE OUTPUT CONNECTOR OR UNINSULATED BATTERY
TERIMALS
CHILDREN SHOULD BE SUPERVISED TO ENSURE THAT THEY DO NOT PLAY WITH THE APPLIANCE.
※NOTES
HDK on-board charger is specially designed for HDK vehicles. The charger’s working voltage
range from 85V~265V, working frequency range from 45HZ ~65HZ. Customers from all over the
world can use HDK on-board without any changes.
HDK on-board charger can be operated in the temperature -30℃~+50℃ (-22℉~122℉), which allows
HDK on-board chargers to be used in most circumstances.

20. BATTERIES
18
Trojan flooded Trojan T875
Us 2000 flooded
Discover 80-150AH AGM US2200 flooded
Discover AGM Us 250hc flooded
US battery flooded 6TB-170AGM
Trojan 30XHS Generic 140-200Ah
AGM
Trojan J305 Generic 200-250 Ah
AGM
Generic 200-255 Ah
flooded
Generic 250-335 Ah
AGM
Trojan 1275 Generic 140-200Ah
flooded
Trojan T605 Generic 250-335Ah
flooded
12TB-115AGM Generic 400Ah floodedSystem Battery QTY(PCS) Single battery voltage(V)
36V 6 6
48V 6 8
48V 8 6
ⅰ. The exterior of the battery, the connection wires and bolts should be kept clean and dry. If there is electrolyte outside the battery, please clean with dry
cotton cloth first, then wash with water and finally wipe up. (while cleaning, do not allow any cleaning solution or water to get inside the battery, to avoid
leakage and increasing self-discharge, clean with baking soda and water only).
ⅱ. The connection of the battery should always be kept in good condition. Please check if any battery cable terminal or nut has become loose periodically
in order to prevent any sparking or damage to terminals .
ⅲ. Do not place any object on the battery and do not connect the positive pole to the negative pole. This may cause a short circuit, damage to the battery or
injury to your body.
ⅳ. The battery should be recharged fully when not in use. Any delay on the re-charging will cause negative effect on the battery.
ⅴ The evaporation and electrolyzing of the water will cause the density of electrolyte of the battery increased and the liquid surface decrease, especially in
hot weather. Therefore check the distilled water or the attenuated sulfuric acid for lead-acid battery with density of 1.40 to adjust the electrolyte to meet the
density of the 1.28, the surface should be flat with highest level then continue to charge0.5-1 hour in order to make the internal uniform.
ⅵ. Any impurities are not allowed to enter the battery. Keep the apparatus clean for adding water to avoid the impurities to be fallen into the battery.
ⅶ. When driving, the driver shall be always be aware of the drop level the battery power from the batteries’ capacity indicator .the driver shall estimate the
distance needed to be taken, and recharge the battery at a proper time in case that the car cannot get back to the recharging station in time for recharging .
ⅷ. If the golf car is going to be kept unused for a period of time, the battery shall be fully charged before put away. After that ,the battery fully recharged
every month ,until the charger turn off automatically
ⅸ. During charging, the car shall be parked in a well-ventilated area with the fill caps open. Keep car far away from any frame and sparks and avoid any
explosion or fire that could cause physical injury or damage to the property.
ⅹ. Once charged the cap should be kept tightly covered.
＊HDK vehicle battery connection
Batteries HDK vehicles can apply
②Trojan T105 flooded
①
Batteries loaded on HDK vehicles, according to different
configurations, customers who purchase HDK vehicles can
choose different batteries (figure② Are the batteries
available). The batteries are connected in series
circuit pattern:

21. TIRES
19
①
②
③
＊Vehicle Tires’ tread
For different circumstances the vehicle being used, different tire treads are optional,
t h e standard tires HDK vehicles have are turf tires.
FIGURE ① STANDARD TREAD
FIGURE ② PREMIUM TREAD
FIGURE ③ EXTRA TRACTION
FOR ATTACHING THE MAXIUM PEFORMANCE THE TIRES SHOULD ALWAYS
BE CHOOSEN ACCORDING TO THE CIRCUMSTANCES THE VEHICLE MOSTLY BEEN
USED.
① Front hub
② Brake drum
CROSS-SEQUENCE
③ Dust cover
①
③
④ Dust cover seal
While fastening the wheel nuts, one should always
keep it in a cross-sequence .To attach the perfect tight situation.
④
②
Tubeless tire cautions
1. Clean both tire beads to remove dirt or other object.
2. Where the tire beads seat, clean the wheel rim with a wire brush
3. Apply plenty of tire mounting lubricant (soap and solution) to both beads
and rim flanges
4. Install the tire on the rim from the valve stem side .if there is no tire
machine available, use a rubber mallet and tire iron
5. Remove the valve core and position tire so that both beads are on the rim
flange narrow bead seats
6. Quickly remove the air nozzle and install the valve core
7. Adjust the tire, keep the air pressure between 3.5-4.0MP, immerse the
tire into water to make sure there are no leaks

22. VEHICLE MODIFICATIONS
20
1.
＊VEHICLE PERFORMANCE REMODIFICATION
Ⅰ. Controller adjustment
For attaching different speed performance or regenerative brake effect; The ramp climbing
ability or low speed cruising pattern performance re-modification all can be done by changing the
controller’s parameter settings.
Ask dealer or manufacturer for specific information about remodify the controller parameters.
ONLY TRAINED PERSON ARE ALLOWED TO REMODIFY CONTROLLER PARAMETER SETTINGS. ANY INPROPER
SETTING CHANGES MAY CAUSE SEVERE DAMAGES TO THE VEHICLE OR JEOPARDISE PASSENGERS SAFTY.
Ⅱ. Motor and Rear axle
The motor and rear axle’s performance are fixed when the customer buys it from dealer. The
rated power and torque capability are limited due to the vehicle’s configuration.
For attaching different torque and power performances, customer can choose different motors or
rear axles as options to remodify the vehicle configurations.
MOTOR OPTIONS; 3kw/4kw/5kw
REAR AXLE OPTIONS (SORTED BY RATIOS): 10.25:1 / 12.49:1
ONLY PERSONS WHO HAVE E X P E R I E N C E W I T H REAR AXLE AND MOTOR MAINTENANCES ARE
ALLOWED TO CONDUCT MODIFICATIONS.
Ⅲ. Headlights’ bulbs
For change the luminance of headlights, customer can
choose different rated power bulbs as options.
The maximum rated power for headlights bulbs are 60 W.
The maximum rated power for turning light bulbs is
15W.

23. VEHICLE MODIFICATIONS
21
c
Ⅰ Ⅱ Ⅲ
I. Turf tire Ⅱ. Off road tire Ⅲ. Extra traction
1. Clean both tire beads to remove dirt or other object.
2. Where the tire beads seat, clean the wheel rim with a wire brush.
3. Apply plenty of tire mounting lubricant (soap and solution) to both beads and rim flanges.
4. Install the tire on the rim from the valve stem side. If there is no tire machine available ,use a rubber mallet and
tire iron
5. Remove the valve core and position tire so that both beads are on the rim flange narrow bead seats
6. Quickly remove the air nozzle and install the valve core
7. Adjust the tire ,keep the air pressure between 3.5-4.0MP,immerse the tire into water to make sure there are no
leaks
Ⅲ. Vehicle tires
Ⅲ. Golf cart accessories option
Ⅳ Ⅴ Ⅵ
Ⅳ. Cool box Ⅱ. Golf ball washer Ⅲ. Aluminum box

24. VEHICLE MAINTENANCE
22
Ⅰ. Tools
① ② ③ ④
⑤ ⑥ ⑦ ⑧ ⑨
⑩
① Wrenches ② Retaining ring pliers’ ③ Battery fluid injection tool faucet
④ Tire air inflating tool ⑤ Hydrometer ⑥ Lubricant can
⑦ Charger’s calibration box ⑧ Multimeter ⑨ Tape measure ⑩ Jack
※NOTES
All the maintenance tools are available from hardware stores.

25. VEHICLE MAINTENANCE
23
.
Ⅱ. Vehicle maintenance
Always:
• Maintain the vehicle in accordance with the manufacturer’s periodic service schedule.
• Ensure that repairs are performed by those that are trained and qualified to do so.
• Follow the manufacturer’s maintenance procedures for the vehicle. Be sure to disable the
vehicle before performing any maintenance. Disabling includes removing the key from the
key switch and removal of a battery wire.
• Insulate any tools used within the battery area in order to prevent sparks or battery
explosion caused by shorting the battery terminals or associated wiring. Remove the
batteries or cover exposed terminals with an insulating material.
• Check the polarity of each battery terminal and be sure to rewire the batteries correctly.
• Use specified replacement parts. Never use replacement parts of lesser quality.
• Use recommended tools.
• Determine that tools and procedures not specifically recommended by the manufacturer will
not compromise the safety of personnel nor jeopardize the safe operation of the vehicle.
• Support the vehicle using wheel chocks and jack stands. Never get under a vehicle that is
supported by a jack. Lift the vehicle in accordance with the manufacturer’s instructions.
• Maintain the vehicle in an area away from exposed flame or persons who are smoking.
• Be aware that a vehicle that is not performing as designed is a potential hazard and must not
be operated.
• Test drive the vehicle after any repairs or maintenance. All tests must be conducted in a safe
area that is free of both vehicular and pedestrian traffic.
• Replace damaged or missing warning, caution or information labels.
• Keep complete records of the maintenance history of the vehicle.
The manufacturer cannot anticipate all situations, therefore people attempting to maintain or
repair the vehicle must have the skill and experience to recognize and protect themselves
from potential situations that could result in severe personal injury or death and damage to
the vehicle. Use extreme caution and, if unsure as to the potential for injury, refer the repair
or maintenance to a qualified mechanic.

26. VEHICLE MAINTENANCE
24
ⅰ. Chassis maintenance
Check the dust-proof caps on steering gear box, the
caps are supposed to be tight on the two terminal
ends.
Loose caps will let water and dust into the gear
box, cause the gears rusting.
Add lubricant to mechanical joint parts, the vehicle
should be kept in good turning and operating
functions. To attach that one should add lubricant
to needed parts every one month.
Check the tires every time use the vehicle. The tires
should be inflated with enough air. The air
pressure should with normal level.
Check the tire chapter for more specific
information of tire inflation.
FLAT TIRE MAY CAUSE UNSTABLE
STEERING FUNCTION WHILE DRIVING.
Check the tires every use of the vehicle; remove
embedded objects or metal items away from tire
surface.
If the tire has embedded objects on the surface, it
will lead to excessive noises from tire while driving
or tire internal air leaking.

27. VEHICLE MAINTENANCE
25
Check the lubricant capacity of rear axle.
Low lubricant capacity may cause damages to rear
axle cams or make excessive noises.
Maintenance period: change the lubricant of rear axle
every 6 month.
Clear the brake shoes surface, all the brake shoes shed
dust and should be cleaned out in periodic time. Shred
dust may cause mechanical malfunctions of brake.
Use a compressed air to blow the dust out.
Maintenance period: one time per month.
Check the brake shoes worn out conditions, if it is
extremely worn out (1/3 left), then the brake shoes
need to be replaced with a new one
DO N O T DRIVE T H E V E H I C L E W I T H
P O O R BRAKES.
Check the bearings inside of front hub, the hubs
should have enough lubricated grease.
Maintenance period: one per 6 month.

28. VEHICLE MAINTENANCE
26
ⅱ. Electric components maintenance
Check the headlight backing rubber caps, the caps
should always be kept on tightly. Otherwise water or
dust may enter into the headlight chambers.
It will cause halogen bulbs to burn down easily and
vague vision of headlights.
Maintenance period: One time per week
Keep LED rear lights waterproof, keep the cover lid
tight, keep dust and water out of LED light assembly.
Dense humidity or water may cause LED diodes to
burn down.
DO NOT LOAD LED LIGHTS WITH HIGH
VOLTAGES.
Keep the controller from water, water may cause
short circuit. If water enters into controller, the vehicle
may run unintentionally after turning on the power
switch.
DO NOT SPLASH WATER ON THE CONTROLLER
INTENTIONALLY WHILE WASHING THE
VEHICLE.
Check fluid level before and after charging ,
electrolyte should be at least 1/2”(13mm)above the
plates and 1/4” tp3/8”(6 to 10mm) below bottom of the
vent .
NEVER CHARGE BATTERY WITH LITTLE
ELECTROLYTES, IT MAY CAUSE OVERHEATED
OR EVEN EXPLOSION!

29. VEHICLE MAINTENANCE
27
Use a hydrometer to check the specific gravity of the battery
fluid in each cell.
Fluid density ranges from different values in different
periods of battery usage.
Maintenance period: One time per 10 months
Use a injection faucet to inject distilled water
into the battery when the battery doesn’t have
enough capacity of battery fluid.
Maintenance period: One time per 6 months
Always remember to take
precautions while conducting
any operations on batteries or
handling batteries.
Wear gloves to protect person
from acid corrosion.
Wear glasses to protect person
from acid splash.
Always remember to wash
hands after handling batteries
or touchbattery’s cap and
battery terminals.

30. VEHICLE STORAGE
28
If the vehicle is put away for storage for long time; certain things need to be done to
prevent vehicle from malfunctions or other loss.
Please always follow the methods shown below.
Ⅰ
Ⅱ
Ⅲ
Ⅰ. Keep vehicle in dry and ventilated place, keep it out of the rain.
Ⅱ. Remember to charge the batteries fully before putting away the vehicle.
Ⅲ. Disassemble the connection cables between batteries and controller.

31. SPECIFICATION
29
Parameter
Type
DEL 3022G Series Electric Golf Cart
DEL 3022G DEL 3022G2Z DEL 3042G DEL 3042G2Z DEL 3062G DEL3062G2Z
Passenger capacities 2 4 4 6 6
8
Dimension (mm) (L×W×H)
2350×1180×
1780
2610×1180×
1780
3100×1180×
1780
3360×1180×
1780
4900×1180×
1780
5160×1180×
1780
Range (based on flat road at a
speed of 20 km/h) (km/h)
80 75 70 65 60 60
Maximum speed (gear ratio of
12.49:1/gear ratio of 10.25;1)
(km/h)
20/29 20/29 20/28 20/28 20/28 20/28
Maximum grade ability 30% 28% 25% 22% 20% 20%
Minimum turning diameter (m) 3.1 3.1 4.3 4.3 5.5 6.8
Brake distance (V=20km/h) ≤ 3.5m ≤ 3.8m ≤ 4.0m ≤ 4.0 ≤ 4.5m ≤ 4.5m
Minimum distance from
floor(mm)
110 110 110 110 110 110
Noise (db) 63 63 63 63 63 63
All specs and parameters are approximate only and may vary

32. SPECIFICATION
30
Max slope accessing angle
Max ramp angle

33. NOTE

34. NOTE

35. NOTE

36. HDK Vehicles USA, LLC.
2112 First Street
Rosenberg TEXAS 77471
Tel: 281-342-1040 Fax: 281-342-6432
Email:
inquiries@hdkusa.com
Website: www.hdkusa.com