Dozer Komatsu 375A - Pre-operation walkaround inspection

2.  Identify any hazards around equipment
 Always Maintain 3 Points of Contact
 Ground condition
 Highwalls
 Slick conditions on equipment from grease, dust,
rain, etc…
 Traffic
 Weather
 Etc…
 Personal safety
 P.P.E.
 Fit to do walk around inspection

3. Located on the left side in front of
the operators cab left door.
Lockout this switch while doing
the pre-operation walkaround
inspection, remove when
completed.

4. Check pressure gauge
on fire suppression
bottle located on left
side of operators cab

5. Check pressure gauge, hose,
bottle and handle lever.
Located outside of cab.

6. Fire Suppression Activation Buttons
Check Pin, Button,
Hoses and CO2
bottle.
One is located on
ripper toolbar on the
rear of dozer.
Another button is
located inside the
operators cab.

7.  Stop machine safely
 Set parking brake
 Shut down engine
 Activate Fire Suppression System
 Evacuate Equipment Safely

8.  Engine Oil
 Transmission Oil
 Hydraulic Oil
 Diesel Fuel
 Anti-Freeze Coolant

9. Dipstick is located on the left,
inside the compartment door

10. Dipstick is located on the
right, inside the
compartment door

11. Sight glass is located on
right side of operator cab

12. Fuel gauge is located
on dash inside
operators cab
Fuel cap and
fuel lock cover

13. Coolant level warning
light and temperature
gauge located on dash
inside operators cab. Do
not remove radiator cap
when engine is hot to
check coolant level.

15. Cutting Corner Bits
Cutting Edges Mounting Hardware
Structure and Wear Iron for cracks and wear out

16. •Hydraulic Cylinders
•Pins
•Caps
•Push Arms

17. Track pads,
rollers and pins

18. Drive sprocket
teeth segments,
bolts and casing

19. Bogey Assembly –
Rollers, caps and
bolts

20. Ripper Toolbar Assembly
Ripper Shank
Ripper Shank Guard
Ripper Tip
Ripper Toolbar Structure
Grease Lines
Hydraulic Cylinders

21. Ripper Shank Hydraulic Cylinder for
the Adjustable Ripper Shank Pin

22. Inside Operators Cab
•Seatbelt
• Adjustment
• Condition of belt
and clips
•Operators Seat
• Adjustment
• Support
•Glass
• Free of obstruction
of view
•All Controls
•Horn
•Gauges
•Warning Lights
•Door Latches
•Mine Radio

23.  Perform Service Brake checks
 Check Steering/Transmission Locks
 Check Implement Locks
 Audible Back-up Alarm
 Headlights & Taillights
 Strobe/Beacon Light

24.  Make sure to have the pre-operation
inspection form filled out correctly
 List equipment type, unit number, starting
engine hours and ending hours
 Your name, date, shift and crew
 Any safety items not working properly, the
machine is down until it is fixed
 List all areas that is not working correctly
 Make sure to turn in to supervisor at the
end of your shift

25. Any Questions?????