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

Service Repair Manual
Models
336D and 336D L Excavator

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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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336D & 336D L Excavators JBT00001-UP (MACHINE) POWERED BY C9 Engine(...
2020/8/23
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4. Connect hose assembly (2).
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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Product: EXCAVATOR
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.
1. Bend locking tabs (1) backward.
2. Remove bolts (2) and hub (3).
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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).
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).
Sun Aug 23 09:25:17 UTC+0800 2020
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2020/8/23

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Product: EXCAVATOR
i02415272
Piston Motor (Hydraulic Fan) - Disassemble
SMCS - 1386-015-QP; 5058-015-FM; 5058-015-HFN
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
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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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).
2. Remove O-ring seal (3), port plate (4), and bearing cup (5).
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3. Remove plug (6), sleeve (7), poppet (8), spring (9), poppet (10), and O-ring seal (11).
4. Remove bearing cone (12).
5. Remove shim (13) and rotating group (14).
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6. Remove pistons (15) and retainer (16).
7. Remove bearing (17).
8. Remove pins (18).
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9. Use Tooling (C) and Tooling (B) in order to remove retaining ring (19).
10. Remove shim (23), spring (22), and shim (21).
11. Remove swashplate (24) and shaft (25).
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12. Use Tooling (A) in order to remove bearing cone (26) from shaft (25).
13. Use Tooling (C) in order to remove retaining ring (27).
14. Remove lip seal (28).
15. Remove bearing cup (29).
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Product: EXCAVATOR
i02415273
Piston Motor (Hydraulic Fan) - Assemble
SMCS - 1386-016-QP; 5058-016-FM; 5058-016-HFN
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
B 1P-1861 Retaining Ring Pliers 1
C 1P-0510 Driver Gp 1
1. Install bearing cup (29).
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2. Install lip seal (28).
3. Use Tooling (C) in order to install retaining ring (27).
4. Raise the temperature of bearing cone (26).
5. Install bearing cone (26) onto shaft (25).
6. Install shaft (25) and swashplate (24).
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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.
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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9. Install pins (18).
10. Install bearing (17).
11. Install pistons (15) and retainer (16).
12. Install rotating group (14) and shim (13).
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13. Install bearing cone (12).
injury.
14. Install O-ring seal (11), poppet (10), spring (9), poppet (8), sleeve (7), and plug (6).
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15. Lower the temperature of bearing cup (5).
16. Install bearing cup (5), port plate (4), and O-ring seal (3).
injury.
17. Install head (2) and bolts (1).
End By:
a. Install the piston motor. Refer to Disassembly and Assembly, "Piston Motor (Hydraulic
Fan) - Install".
6/7
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Product: EXCAVATOR
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.
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).
1/2
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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).
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".
Sun Aug 23 09:28:04 UTC+0800 2020
2/2
2020/8/23

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Product: EXCAVATOR
i02554917
Hydraulic Lockout Control - Remove
SMCS - 5001-011-LK
Removal Procedure
1. Remove screws (2) and panel (1).
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2. Remove screws (6). Cut cable strap (8) and place switch (7) aside.
3. Remove bolt (4), bolt (5), and hydraulic lockout control (3).
Sun Aug 23 09:29:00 UTC+0800 2020
2/2
2020/8/23

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Product: EXCAVATOR
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".
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1. Remove retaining rings (1) and lever assembly (2).
2. Remove retaining ring (4), lever assembly (5), and spring (3).
3. Pull back cover (8) in order to remove pin (7) from pipe assembly (6).
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4. Remove pin (10) from pin (9).
5. Remove spring (11) from cover (12).
Sun Aug 23 09:29:56 UTC+0800 2020
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Product: EXCAVATOR
i02378527
Hydraulic Lockout Control - Assemble
SMCS - 5001-016-LK
Assembly Procedure
1/3
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1. Install spring (11) to cover (12).
2. Install pin (10) to pin (9).
3. Install pin (7) to pipe assembly (6).
4. Slide cover (8) over pipe assembly (6).
5. Install spring (3), lever assembly (5), and retaining ring (4).
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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".
Sun Aug 23 09:30:52 UTC+0800 2020
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Caterpillar Cat 336D Excavator (Prefix JBT) Service Repair Manual (JBT00001 and up).pdf

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