Caterpillar cat 993 k wheel loader (prefix z4d) service repair manual (z4d00001 and up)

Service Repair Manual
Models
993K Wheel Loader

Shutdown SIS
Previous Screen
Product: WHEEL LOADER
Model: 993K WHEEL LOADER Z4D
Configuration: 993K Wheel Loader Z4D00001-UP (MACHINE) POWERED BY C32 Engine
Disassembly and Assembly
993K Wheel Loader Power Train
Media Number -KENR5569-01 Publication Date -01/10/2012 Date Updated -05/07/2017
i05010234
Service Brake - Disassemble
SMCS - 4251-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
138-7575 Link Bracket 2
6V-5684 Bolt 2
5P-8245 Hard Washer 2
Start By:
a. Remove the service brake.
Illustration 1 g03183017
1/3
993K Wheel Loader Z4D00001-UP (MACHINE) POWERED BY C32 Engine(SEBP5...
2020/3/28
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
1. Remove bolts (1) and the washers. Use Tooling (A) and a suitable lifting device in order to
remove reaction plate (2). The weight of reaction plate (2) is approximately 23 kg (50 lb).
2. Remove thrust washer (4). Remove discs (3). Remove plates (6). Remove springs (5).
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3. Remove hub (7). Remove piston (8). Remove dowels (9). Apply shop air to Hole (Z).
4. Remove thrust washer (10) and seals (11).
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sat Mar 28 07:36:10 UTC+0800 2020
3/3
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Shutdown SIS
Previous Screen
i05009814
Service Brake - Assemble
SMCS - 4251-016
Assembly Procedure
Table 1
Required Tools
A
138-7575 Link Bracket 2
6V-5684 Bolt 2
5P-8245 Hard Washer 2
B 369-9450 Grease 1
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1. Install thrust washer (10) and seals (11).
2. Install dowels (9). Install piston (8). Install hub (7).
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3. Install springs (5). Lubricate the discs before assembly. Install plates (6) and discs (3). Start
with a plate (6) and end with a disc (3).
4. Apply Tooling (B) to Surface (X). Install thrust washer (4) into reaction plate (1).
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Improper assembly of parts that are spring loaded can cause bodily
injury.
To prevent possible injury, follow the established assembly procedure
and wear protective equipment.
5. Use Tooling (A) and a suitable lifting device to install reaction plate (1). The weight of
reaction plate (2) is approximately 23 kg (50 lb). Install bolts (2) and the washers. Tighten
bolts (2) to a torque of 105 ± 20 N·m (77 ± 15 lb ft).
End By:
a. Install the service brake.
Sat Mar 28 07:37:05 UTC+0800 2020
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Shutdown SIS
Previous Screen
i03265175
Service Brake - Install
SMCS - 4251-012
Installation Procedure
Table 1
Required Tools
A 138-7575 Link Brackets 2
Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned
in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts.
Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are
worn or damaged, use new parts for replacement.
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1. Install plug (5). Tighten plug (5) to a torque of 100 ± 10 N·m (74 ± 7 lb ft). Install O-ring
seal (4) .
2. Install O-ring seals (3) .
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3. Install Tooling (A) into service brake (2). The weight of service brake (2) is approximately
204 kg (450 lb). Install service brake (2). Install bolts (1). Tighten bolts (1) to a torque of
530 ± 70 N·m (390 ± 51 lb ft).
End By: Install the final drive and wheel. Refer to Disassembly and Assembly, "Final Drive,
Brake and Wheel - Remove and Install".
Sat Mar 28 07:38:00 UTC+0800 2020
3/3
2020/3/28

Shutdown SIS
Previous Screen
i05799974
Final Drive and Wheel - Disassemble
SMCS - 4051-015
Disassembly Procedure
Table 1
Required Tools
A 439-3939 Link Brackets 2
B 2D-1201 Eyebolt 1
C 439-3941 Link Brackets 2
D 5P-5197 Retaining Ring Pliers As 1
Start By:
A. Remove the final drive and wheel. Refer to Disassembly and Assembly , "Final Drive and
Wheel - Remove".
Note: Cleanliness is an important factor. Before the disassembly procedure, thoroughly clean the
exterior of the component to prevent dirt from entering the internal mechanism.
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1. Attach Tooling (A) and a suitable lifting device to planetary carrier (2) . The weight of
planetary carrier (2) is approximately 544 kg (1200 lb). Remove bolts (1) . Remove
planetary carrier (2) .
2. Attach Tooling (B) and a suitable lifting device to pin (3) . Remove pin (3) .
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3. Remove thrust washer (4) . Place suitable cribbing next to lower thrust washer (4) under
gear (5) in order to remove gear (5) . Use a suitable lifting device in order to remove gear
(5) . The weight of gear (5) is approximately 63 kg (140 lb). Remove bushing (6) .
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4. Remove remaining thrust washer (4) .
5. Remove O-ring seal (7) .
6. Attach Tooling (A) and a suitable lifting device to planetary carrier (8) . The weight of
planetary carrier (8) is approximately 186 kg (410 lb). Remove planetary carrier (8) .
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7. Position planetary carrier (8) , as shown. Remove bolts (9) and the retainer. Remove shaft
(12) . Remove thrust washers (10) and gear (11) . Remove bushing (13) . Repeat for
remaining gears (11) .
8. Remove gear (14) .
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9. Remove bolts (15) . Remove spacer (16) .
10. Attach Tooling (C) and a suitable lifting device to retainer (17) . The weight of retainer (17)
is approximately 59 kg (130 lb). Remove retainer (17) .
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11. Remove shims (18) .
12. Attach a suitable lifting device to the hub and ring gear (19) . The weight of hub and ring
gear (19) is approximately 435 kg (960 lb). Remove the hub and ring gear (19) .
13. Position the hub and ring gear (19) , as shown.
14. Attach a suitable lifting device to hub (21) , as shown. The weight of hub (21) is
approximately 124 kg (275 lb). Remove bolts (22) . Use Tooling (D) in order to remove
retaining ring (20) . Remove hub (21) .
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15. Attach Tooling (C) and a suitable lifting device to wheel (23) . The weight of wheel (23) is
approximately 1542 kg (3400 lb). Remove wheel (23) .
16. Remove bearing cups (25) . Remove Duo-cone seal gp (26) .
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17. Remove bearing cone (24) .
18. Remove bearing cone (27) . Remove Duo-cone seal gp (28) .
Sat Mar 28 07:38:54 UTC+0800 2020
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Caterpillar cat 993 k wheel loader (prefix z4d) service repair manual (z4d00001 and up)

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