Caterpillar Cat 336D Excavator JBT Service Repair Manual (JBT00001 and up).pdf

Caterpillar Cat 336D Excavator (Prefix JBT) Service Repair Manual (JBT00001 and up).pdf,The document provides a detailed service repair manual for Caterpillar's 336D and 336D L excavators powered by a C9 engine, and it encompasses various procedures for disassembly, assembly, removal, and installation of components such as the piston pump and hydraulic fan motor. It emphasizes the importance of cleanliness, inspection of parts before assembly or disassembly, and the necessity of using appropriate tools and equipment to prevent personal injury due to released spring forces.

1. Service Repair Manual
Models
336D
and
336D
L
E
xcavator
D
O
W
N
L
O
A
D

S
E
R
V
I
C
E

M
A
N
U
A
L

2. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 336D EXCAVATOR JBT
Configuration: 336D & 336D L Excavators JBT00001-UP (MACHINE) POWERED BY C9 Engine
Disassembly and Assembly
330D, 336D, 336D2, 340D and 340D2 Excavators and 336D MHPU Mobile Hydraulic
Power Unit Machine Systems
Media Number -RENR8648-30 Publication Date -01/03/2015 Date Updated -15/08/2018
i02424411
Piston Pump (Hydraulic Fan) - Install
SMCS - 1387-012-QP; 5070-012-HFN
Installation Procedure
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.
Illustration 1 g01211400
1.Position piston pump (7) and install bolts (6).
2.Connect harness assembly (5).
3.Connect hose assemblies (3) and (4).
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3. Illustration 2 g01211399
4.Connect hose assembly (2).
Illustration 3 g01206719
5.Close door (1).
6.Fill the hydraulic system with oil. Refer to Operation and Maintenance Manual, "Refill
Capacities".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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4. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 336D EXCAVATOR JBT
Configuration: 336D & 336D L Excavators JBT00001-UP (MACHINE) POWERED BY C9 Engine
Disassembly and Assembly
330D, 336D, 336D2, 340D and 340D2 Excavators and 336D MHPU Mobile Hydraulic
Power Unit Machine Systems
Media Number -RENR8648-30 Publication Date -01/03/2015 Date Updated -15/08/2018
i02415451
Piston Motor (Hydraulic Fan) - Remove
SMCS - 1386-011-QP; 5058-011-FM
Removal Procedure
Start By:
a.Remove the fan. Refer to Disassembly and Assembly, "Fan - Remove".
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the
component should be thoroughly cleaned. This will help to prevent dirt from entering the internal
mechanism.
Illustration 1 g01207415
1.Bend locking tabs (1) backward.
2.Remove bolts (2) and hub (3).
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5. Illustration 2 g01207416
3.Use a suitable lifting device to position fan motor assembly (4) onto suitable cribbing. The
weight of fan motor assembly (4) is approximately 68 kg (150 lb).
Illustration 3 g01207418
4.Attach a suitable lifting device to piston motor (5). The weight of piston motor (5) is
approximately 23 kg (50 lb).
5.Remove bolts (6) and fan motor (5).
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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6. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 336D EXCAVATOR JBT
Configuration: 336D & 336D L Excavators JBT00001-UP (MACHINE) POWERED BY C9 Engine
Disassembly and Assembly
330D, 336D, 336D2, 340D and 340D2 Excavators and 336D MHPU Mobile Hydraulic
Power Unit Machine Systems
Media Number -RENR8648-30 Publication Date -01/03/2015 Date Updated -15/08/2018
i02415272
Piston Motor (Hydraulic Fan) - Disassemble
SMCS - 1386-015-QP; 5058-015-FM; 5058-015-HFN
Disassembly Procedure
Table 1
Required Tools
ToolPart Number Part DescriptionQty
A 9S-9152 Bearing Puller Gp 1
B 1P-1861 Retaining Ring Pliers 1
C 1P-0510 Driver Gp 1
Start By:
a.Remove the piston motor. Refer to Disassembly and Assembly, "Piston Motor (Hydraulic
Fan) - Remove".
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7. Illustration 1 g01207275
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 head (2).
Illustration 2 g01207276
2.Remove O-ring seal (3), port plate (4), and bearing cup (5).
Illustration 3 g01207278
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8. 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.
3.Remove plug (6), sleeve (7), poppet (8), spring (9), poppet (10), and O-ring seal (11).
Illustration 4 g01207279
4.Remove bearing cone (12).
Illustration 5 g01207280
5.Remove shim (13) and rotating group (14).
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9. Illustration 6 g01207281
6.Remove pistons (15) and retainer (16).
7.Remove bearing (17).
Illustration 7 g01207282
8.Remove pins (18).
Illustration 8 g01207283
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10. Illustration 9 g01207284
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.
9.Use Tooling (C) and Tooling (B) in order to remove retaining ring (19).
10.Remove shim (23), spring (22), and shim (21).
Illustration 10 g01207285
11.Remove swashplate (24) and shaft (25).
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11. Illustration 11 g01207287
12.Use Tooling (A) in order to remove bearing cone (26) from shaft (25).
Illustration 12 g01207286
13.Use Tooling (C) in order to remove retaining ring (27).
14.Remove lip seal (28).
Illustration 13 g01207288
15.Remove bearing cup (29).
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12. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 336D EXCAVATOR JBT
Configuration: 336D & 336D L Excavators JBT00001-UP (MACHINE) POWERED BY C9 Engine
Disassembly and Assembly
330D, 336D, 336D2, 340D and 340D2 Excavators and 336D MHPU Mobile Hydraulic
Power Unit Machine Systems
Media Number -RENR8648-30 Publication Date -01/03/2015 Date Updated -15/08/2018
i02415273
Piston Motor (Hydraulic Fan) - Assemble
SMCS - 1386-016-QP; 5058-016-FM; 5058-016-HFN
Assembly Procedure
Table 1
Required Tools
ToolPart Number Part DescriptionQty
B 1P-1861 Retaining Ring Pliers 1
C 1P-0510 Driver Gp 1
Illustration 1 g01207288
1.Install bearing cup (29).
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13. Illustration 2 g01207286
2.Install lip seal (28).
3.Use Tooling (C) in order to install retaining ring (27).
Illustration 3 g01207624
4.Raise the temperature of bearing cone (26).
5.Install bearing cone (26) onto shaft (25).
Illustration 4 g01207285
6.Install shaft (25) and swashplate (24).
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14. Illustration 5 g01207283
Illustration 6 g01207284
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.
7.Install shim (21), spring (22), and shim (23).
8.Use Tooling (C) and Tooling (B) in order to install retaining ring (19).
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15. Illustration 7 g01207282
9.Install pins (18).
Illustration 8 g01207281
10.Install bearing (17).
11.Install pistons (15) and retainer (16).
Illustration 9 g01207280
12.Install rotating group (14) and shim (13).
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16. Illustration 10 g01207279
13.Install bearing cone (12).
Illustration 11 g01207278
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.
14.Install O-ring seal (11), poppet (10), spring (9), poppet (8), sleeve (7), and plug (6).
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17. Illustration 12 g01207276
15.Lower the temperature of bearing cup (5).
16.Install bearing cup (5), port plate (4), and O-ring seal (3).
Illustration 13 g01207275
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.
17.Install head (2) and bolts (1).
End By:
a.Install the piston motor. Refer to Disassembly and Assembly, "Piston Motor (Hydraulic
Fan) - Install".
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18. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 336D EXCAVATOR JBT
Configuration: 336D & 336D L Excavators JBT00001-UP (MACHINE) POWERED BY C9 Engine
Disassembly and Assembly
330D, 336D, 336D2, 340D and 340D2 Excavators and 336D MHPU Mobile Hydraulic
Power Unit Machine Systems
Media Number -RENR8648-30 Publication Date -01/03/2015 Date Updated -15/08/2018
i02415453
Piston Motor (Hydraulic Fan) - Install
SMCS - 1386-012-QP; 5058-012-FM
installation Procedure
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.
Illustration 1 g01207418
1.Use a suitable lifting device to install piston motor (5). The weight of piston motor (5) is
approximately 23 kg (50 lb).
2.Install bolts (6).
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19. Illustration 2 g01207416
3.Use a suitable lifting device to reposition fan motor assembly (4), as shown. The weight of
fan motor assembly (4) is approximately 68 kg (150 lb).
Illustration 3 g01207415
4.Install hub (3) and bolts (2).
5.Bend locking tabs (1) over bolts (2).
End By:
a.Install the fan. Refer to Disassembly and Assembly, "Fan - Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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20. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 336D EXCAVATOR JBT
Configuration: 336D & 336D L Excavators JBT00001-UP (MACHINE) POWERED BY C9 Engine
Disassembly and Assembly
330D, 336D, 336D2, 340D and 340D2 Excavators and 336D MHPU Mobile Hydraulic
Power Unit Machine Systems
Media Number -RENR8648-30 Publication Date -01/03/2015 Date Updated -15/08/2018
i02554917
Hydraulic Lockout Control - Remove
SMCS - 5001-011-LK
Removal Procedure
Illustration 1 g01187398
1.Remove screws (2) and panel (1).
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21. Illustration 2 g01278781
2.Remove screws (6). Cut cable strap (8) and place switch (7) aside.
3.Remove bolt (4), bolt (5), and hydraulic lockout control (3).
Copyright 1993 - 2020 Caterpillar Inc.
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22. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 336D EXCAVATOR JBT
Configuration: 336D & 336D L Excavators JBT00001-UP (MACHINE) POWERED BY C9 Engine
Disassembly and Assembly
330D, 336D, 336D2, 340D and 340D2 Excavators and 336D MHPU Mobile Hydraulic
Power Unit Machine Systems
Media Number -RENR8648-30 Publication Date -01/03/2015 Date Updated -15/08/2018
i02378526
Hydraulic Lockout Control - Disassemble
SMCS - 5001-015-LK
Disassembly Procedure
Start By:
a.Remove the hydraulic lockout control. Refer to Disassembly and Assembly, "Hydraulic
Lockout Control - Remove".
Illustration 1 g01187382
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
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23. Follow the recommended procedure and use all recommended tooling to
release the spring force.
1.Remove retaining rings (1) and lever assembly (2).
2.Remove retaining ring (4), lever assembly (5), and spring (3).
Illustration 2 g01187383
3.Pull back cover (8) in order to remove pin (7) from pipe assembly (6).
Illustration 3 g01187385
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.
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24. 4.Remove pin (10) from pin (9).
5.Remove spring (11) from cover (12).
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26. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 336D EXCAVATOR JBT
Configuration: 336D & 336D L Excavators JBT00001-UP (MACHINE) POWERED BY C9 Engine
Disassembly and Assembly
330D, 336D, 336D2, 340D and 340D2 Excavators and 336D MHPU Mobile Hydraulic
Power Unit Machine Systems
Media Number -RENR8648-30 Publication Date -01/03/2015 Date Updated -15/08/2018
i02378527
Hydraulic Lockout Control - Assemble
SMCS - 5001-016-LK
Assembly Procedure
Illustration 1 g01187385
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.
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27. 1.Install spring (11) to cover (12).
2.Install pin (10) to pin (9).
Illustration 2 g01187383
3.Install pin (7) to pipe assembly (6).
4.Slide cover (8) over pipe assembly (6).
Illustration 3 g01187382
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.
5.Install spring (3), lever assembly (5), and retaining ring (4).
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28. 6.Install lever assembly (2) and retaining rings (1).
End By:
a.Install the hydraulic lockout control. Refer to Disassembly and Assembly, "Hydraulic
Lockout Control - Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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