Caterpillar Cat 320C EXCAVATOR (Prefix JPL) Service Repair Manual Instant Download.pdf

Service Repair Manual
Models
320C EXCAVATOR

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Product: EXCAVATOR
Model: 320C EXCAVATOR JPL
Configuration: 320C Material Handler JPL00001-UP (MACHINE) POWERED BY 3066 Engine
Disassembly and Assembly
320C Excavator Machine Systems
Media Number -RENR3826-16 Publication Date -01/11/2014 Date Updated -30/03/2016
i02606876
Track Carrier Roller - Remove
SMCS - 4154-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 8T-5255 Hydraulic Jack 1
1. Start the engine. Park the machine on a hard, level surface. Shut off the engine.
Personal injury or death can result from grease and oil coming out of
the relief valve.
Grease and oil are under high pressure coming out of the relief valve
and can penetrate the body.
Do not watch the relief valve to see if grease is escaping. Watch the track
or track adjustment cylinder to see if the track is being loosened.
Make sure the vent holes are clean before the tension is released on the
track.
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https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sis...

Illustration 1 g00489342
2. Release the tension on the track.
3. Loosen relief valve (1) by one turn only. If the track does not loosen after opening the relief
valve, move the machine forward and backward until the tension is released.
4. Loosen bolt (2) that holds track carrier roller (3) to the mounting bracket on the
undercarriage.
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5. Position Tooling (A) and suitable cribbing under the track assembly, as shown.
6. Use Tooling (A) in order to lift the track assembly off the track carrier roller.
7. Remove track carrier roller (3). The weight of track carrier roller (3) is 17 kg (38 lb).
Reference: Refer to Undercarriage Reconditioning Bulletin, SEBF8568, "Hydraulic Excavator
Roller Disassemble and Assembly Procedures" for the disassembly and assembly procedures for
the track carrier roller.
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sun Oct 27 09:10:12 UTC+0800 2019
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Product: EXCAVATOR
i02606880
Track Carrier Roller - Install
SMCS - 4154-012
Installation Procedure
Table 1
Required Tools
A 8T-5255 Hydraulic Jack 1
1. Make sure that the shaft of the track carrier roller and the bore in the mounting bracket on
the undercarriage are clean and free of dirt.
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(x) Mounting bracket
2. Place the track carrier roller in position in the mounting bracket. The weight of track carrier
roller is 17 kg (38 lb). Adjust the carrier roller until Distance (a), the distance between the
outside face of the mounting bracket and the carrier roller is 7.0 ± 0.5 mm
(0.28 ± 0.02 inch).
3. After you adjust the position of carrier roller (3) in the mounting bracket, tighten bolt (2).
4. Make sure that carrier roller (3) rotates smoothly by manually turning the carrier roller.
5. Slowly lower the track assembly onto the carrier roller with Tooling (A).
6. Tighten the tension of the track. Refer to Operation and Maintenance Manual, "Track
Adjustment - Adjust" for the correct procedure.
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Product: EXCAVATOR
i01952424
Track Roller - Remove
SMCS - 4180-011
Removal Procedure
Table 1
Required Tools
A
8S-7611 Tube Assembly 2
8S-7615 Pin 2
8S-7640 Stand 2
B 183-4797 Track Roller Lifting Fork 1
Note: There is a track guide on each side of the machine. The procedure that follows is for the
removal of the track roller with the track guide.
1. Start the engine. Park the machine on a hard, level surface. Stop the engine.
Personal injury or death can result from grease and oil coming out of
the relief valve.
Grease and oil are under high pressure coming out of the relief valve
and can penetrate the body.
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Make sure the vent holes are clean before the tension is released on the
track.
2. Release the tension on the track. Loosen relief valve (1) by one turn only. If the track does
not loosen after opening the relief valve, move the machine forward and backward until the
tension is released.
Note: Adjust the height of Tooling (A) in order to have sufficient clearance for the removal
of the track rollers when Tooling (A) is installed under the undercarriage of the machine.
3. Lift the side of the machine. Install Tooling (A) under the undercarriage, as shown.
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4. Loosen the bolts that hold track guide (2) to the undercarriage.
Note: Do not remove the bolts at this time.
5. Fasten a suitable lifting device to Tooling (B). Put Tooling (B) in position under track guide
(2), as shown. Remove the bolts that secure the track guide. Remove the track guide.
(X) Rock guard
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6. Remove the rock guards from the undercarriage, if equipped.
7. Loosen the bolts that secure track roller (3) to the undercarriage.
Note: Do not remove the bolts at this time.
8. Attach a suitable lifting device and a lifting strap to Tooling (B).
9. Put Tooling (B) in position under track roller (3), as shown.
10. Remove the bolts that secure the track roller. Remove the track roller. The weight of the
track roller is approximately 40 kg (88 lb).
Reference: Refer to Undercarriage Reconditioning Bulletin, SEBF8568, "Hydraulic Excavator
Roller Disassemble and Assembly Procedures" for the disassembly and assembly procedures of
the track roller.
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Product: EXCAVATOR
i01946801
Track Roller - Install
SMCS - 4180-012
Installation Procedure
Table 1
Required Tools
A
8S-7611 Tube Assembly 2
8S-7615 Pin 2
8S-7640 Stand 2
B 183-4797 Track Roller Lifting Fork 1
Note: There is a track guide on each side of the machine. The procedure which follows is for the
installation of the track roller with the track guide.
1. Make sure that all the mounting surfaces on the following components are clean and free of
debris before the following components are installed:
◦ Track Roller
◦ Track Guide
◦ Rock Guards
◦ Frame Rail
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Note: Make sure that the fill/drain plug in the track roller is facing toward the outside of the
undercarriage.
2. Use a suitable lifting device and Tooling (B) in order to put track roller (3) in position on
the undercarriage. The weight of the track roller is approximately 40 kg (88 lb).
3. Install the bolts that hold the track roller in position.
4. Use Tooling (B) in order to put track guide (2) in position on the undercarriage. Install the
bolts that secure the guide.
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(X) Rock guard
5. Install the rock guards, if equipped.
6. Prior to lowering the machine to the ground and tightening the track, make sure that all of
the track rollers rotate smoothly by manually turning the track rollers.
7. Lift the machine off Tooling (A).
8. Remove Tooling (A) from the machine. Lower the machine to the floor.
Adjustment - Adjust".
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Product: EXCAVATOR
i01807220
Track - Separate
SMCS - 4170-076
Separation Procedure
Table 1
Required Tools
A 5P-6214 Block Assembly 1
B 1U-7630 Impact Socket 1
C(1)
3S-6224 Electric Hydraulic Pump (115 Volt)(2)
1
8T-0820 Hydraulic Pressure Gauge 1
3B-7722 Pipe Bushing 2
1P-2376 Quick Connect Coupler 2
1P-2377 Dust Plug 2
6D-7726 Hose Assembly 2
5P-2379 Press Frame and Tooling Group 1
8S-7172 Double Acting Cylinder 1
8S-9903 Rollover Group 1
(1)
Use Tooling (C) if the master pin can not be removed.
(2)
8S-8033 Electric Hydraulic Pump (230 Volt) is available.
1. Start the engine. Park the machine on a hard, level surface. Stop the engine.
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Grease is under high pressure.
Grease coming out of the relief valve under pressure can penetrate the
body causing injury or death.
Loosen the relief valve only one turn.
2. Release the tension on the track assembly. Refer to Operation and Maintenance Manual,
"Track Adjustment - Adjust" for more information.
Note: To provide additional clearance for removal of the master pin, the track shoe on each
side of the master pin may be removed. Use Tooling (B) in order to remove the track shoe
mounting bolts.
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3. Move the track assembly until master pin (2) is in the position that is shown. Put Tooling
(A) under the track grouser, as shown. Move the track assembly onto Tooling (A).
Personal injury can result from the track coming off of the roller frame.
The track can move off the track roller frame very quickly when a
separation of the track is made.
Keep away from the front of the machine when the track is removed
from the track roller frame.
Note: The spacer for the track will fall out of the track links when the track assembly is
separated.
4. Remove cotter pin (3) from the master pin.
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5. Use a hammer and a punch to remove master pin (2) from the track links. Separate the track
links, and locate the two spacers for the track. Slowly move the machine forward until the
track assembly is off the sprocket, the track carrier rollers and the front idler.
Note: If the track does not separate use Tooling (C) in order to remove the master pin.
Move the track assembly until the master pin is in a position between the center track carrier
roller and the rear track carrier roller. Remove the master pin. For further information, refer
to Special Instruction, SMHS6954, "Track Disassembly".
6. Fasten a suitable lifting device to the rear of the track assembly.
7. Raise the track assembly off Tooling (A).
8. Remove Tooling (A). Lower the rear of the track assembly to the floor.
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Product: EXCAVATOR
i02044033
Track - Connect
SMCS - 4170-077
Connection Procedure
Table 1
Required Tools
A 5P-6214 Track Block Assembly 1
B 1U-7630 Impact Socket 1
C
3S-6224 Electric Hydraulic Pump (115 Volt)(1)
1
8T-0820 Hydraulic Pressure Gauge 1
3B-7722 Pipe Bushing 2
1P-2376 Quick Connect Coupler 2
1P-2377 Dust Plug 2
6D-7726 Hose Assembly 2
5P-2379 Track Press Tool Gp 1
8S-7172 Double Acting Cylinder
8S-9903 Track Press Rollover Gp
D 1P-3545 Coupler for Track Chain 1
E 1P-3533 Bar 1
F 5P-0960 Molybdenum Grease 1
G 5F-9447 Pilot Pin 1
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(1)
8S-8033 Electric Hydraulic Pump (230 Volt) is available.
1. Install Tooling (D) in the track link and on the sprocket, as shown.
2. Start the machine. Move the sprocket forward until the track assembly is pulled up on the
sprocket. Move the sprocket forward until the end of the track assembly is past a vertical
line through the center of the sprocket. Remove Tooling (D).
3. Install Tooling (E) between the first bushing in the track link and the track shoe, as shown.
4. Move the sprocket forward. Use Tooling (E) to guide the track assembly over the carrier
rollers and the front idler.
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Typical example
5. Use a suitable lifting device to raise the front of the track assembly. Install Tooling (A) in
position under the track shoe, as shown.
6. Apply Tooling (F) on two track bushings. Install the bushings in the track links. The grease
will hold the bushings in place.
7. Apply Tooling (F) in the master pin bores in the track assembly and on the master pin.
8. Connect the ends of the track assembly. Make sure that the pin bore in each end of the track
assembly is aligned with each other.
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9. Install Tooling (G) in the track assembly. Make sure that Tooling (G) is centered in the
track links. Use Tooling (G) and a hammer to install master pin (2).
Note: If you can not install master pin (2) with the hammer, use Tooling (C) to install
master pin (2). Refer to Illustration 5.
10. Install the cotter pin in the master pin. Remove Tooling (A) from the rear of the track
assembly.
Note: Refer to Special Instruction, "Track - Assembly" for further information regarding
Tooling (C).
11. If the track shoe on each side of the master pin was removed, reinstall the track shoes. Use
Tooling (B) to reinstall the track shoe mounting bolts.
Adjustment - Adjust" for the correct procedure.
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Product: EXCAVATOR
i01953048
Front Idler, Recoil Spring and Hydraulic Track Adjuster -
Remove
SMCS - 4157-011; 4158-011; 4159-011
Removal Procedure
Start By:
a. Separate the track assemblies. Refer to Disassembly and Assembly, "Track - Separate".
The spring of the recoil spring assembly is compressed under several
tons of force.
Do not attempt to compress or release the tension of the spring with the
nut on the end of the retaining rod.
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Caterpillar Cat 320C EXCAVATOR (Prefix JPL) Service Repair Manual Instant Download.pdf

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