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M318C and M322C Excavators Machine Systems Caterpillar


Cab Riser and Frame - Remove and Install

Usage:

M322C BDY

Removal Procedure

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Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7574     Link Bracket     4    
B     1U-9200     Lever Puller Hoist     2    
C     189-0408     Shackle As     1    
D     1P-1835     Bearing Puller Adapter     1    
9U-7217 Sleeve     1    
9U-6832 Nut     1    
4C-9634 Puller Stud     1    
6V-3175 Double Acting Cylinder     1    
3S-6224 Electric Hydraulic Pump Gp     1    
E     140-7742     Sleeve     2    

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------ WARNING! ------

Cylinders equipped with lock valves can remain pressurized for very long periods of time, even with the hoses removed.

Failure to relieve pressure before removing a lock valve or disassembling a cylinder can result in personal injury or death.

Ensure all pressure is relieved before removing a lock valve or disassembling a cylinder.

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NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.

Dispose of all fluids according to local regulations and mandates.

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    Illustration 1g01168046

  1. Raise cab (1) for a distance of approximately 13 cm (5.0 inch). Lower cab (1) onto suitable blocking.

  1. Remove cab (1). Refer to Disassembly and Assembly, "Cab - Remove".
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    Illustration 2g01168047

  1. Attach a suitable lifting device to tray assembly (2). The weight of tray assembly (2) is approximately 113 kg (250 lb).
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    Illustration 3g01168048
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    Illustration 4g01168050

  1. Remove bolts (3) and position tray assembly (2) out of the way.
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    Illustration 5g01168051

  1. Remove tube assemblies (5) .

  1. Remove cab riser cylinders (4). Refer to Disassembly and Assembly, "Cab Riser Cylinder - Remove and Install".
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    Illustration 6g01168052

  1. Attach Tooling (A) and a suitable lifting device to cab riser frame (6) .
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    Illustration 7g01168053

  1. Remove pin (7) .
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    Illustration 8g01168054

  1. Remove bolts (8) and plate (9) .
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    Illustration 9g01168055

  1. Attach Tooling (B) and a suitable lifting device to link assembly (11). Use Tooling (C) and a suitable lifting device to secure link assembly (12) to link assembly (11) .

  1. Remove pin (10) .
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    Illustration 10g01168057

  1. Remove the cab riser and cab riser frame (6). The weight of the cab riser and cab riser frame (6) is approximately 500 kg (1100 lb).
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    Illustration 11g01168058

  1. Attach a suitable lifting device to link assembly (11). The weight of link assembly (11) is approximately 91 kg (200 lb).

  1. Remove bolts (13) and plate (14) .
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    Illustration 12g01168060

  1. Remove pin (15) and link assembly (11) .
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    Illustration 13g01168061
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    Illustration 14g01168062

  1. Use Tooling (D) to remove bearings (16) from link assembly (11) .
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    Illustration 15g01168063

  1. Attach a suitable lifting device to link assembly (12). The weight of link assembly (12) is approximately 91 kg (200 lb).

  1. Remove pin (17) and link assembly (12) .
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    Illustration 16g01168064
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    Illustration 17g01168065

  1. Use Tooling (D) to remove bearings (18) from link assembly (12) .
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    Illustration 18g01168066
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    Illustration 19g01168067

  1. Use Tooling (D) to remove bearings (19) from cab riser frame (6) .
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    Illustration 20g01168068
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    Illustration 21g01168069

  1. Use Tooling (D) to remove bearing (21) from tower linkage (20) .

Installation Procedure

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Table 2
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7574     Link Bracket     4    
B     1U-9200     Lever Puller Hoist     2    
C     189-0408     Shackle As     1    
F     1P-1835     Bearing Puller Adapter     1    
9U-6832 Nut     1    
4C-9634 Puller Stud     1    
6V-3175 Double Acting Cylinder     1    
3S-6224 Electric Hydraulic Pump Gp     1    
G     9S-3263     Thread Lock Compound     1    

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NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.

Dispose of all fluids according to local regulations and mandates.

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    Illustration 22g01168068
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    Illustration 23g01168343

  1. Use Tooling (F) to install bearing (21) in tower linkage (20) .
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    Illustration 24g01168066
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    Illustration 25g01168344

  1. Use Tooling (F) to install bearings (19) in cab riser frame (6) .
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    Illustration 26g01168064
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    Illustration 27g01168345
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    Illustration 28g01168347

    (X) 5.50 ± 0.50 mm (0.217 ± 0.020 inch)

  1. Use Tooling (F) to install bearings (18) in link assembly (12). Install bearing (18) to Dimension (X) .
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    Illustration 29g01168063

  1. Use a suitable lifting device to position link assembly (12). The weight of link assembly (12) is approximately 91 kg (200 lb).

  1. Install pin (17) .
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    Illustration 30g01168061
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    Illustration 31g01168348
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    Illustration 32g01168350

    (Y) 5.50 ± 0.50 mm (0.217 ± 0.020 inch)

  1. Use Tooling (F) to install bearings (16) into link assembly (11). Install bearing (16) to Dimension (Y) .
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    Illustration 33g01168060

  1. Use a suitable lifting device to position link assembly (11). The weight of link assembly (11) is approximately 91 kg (200 lb).

  1. Install pin (15) .
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    Illustration 34g01168058

  1. Install plate (14) and bolts (13). Remove the suitable lifting device from link assembly (11) .
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    Illustration 35g01168354
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    Illustration 36g01168055
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    Illustration 37g01168052

  1. Attach Tooling (A) and a suitable lifting device to cab riser frame (6) .

  1. Attach Tooling (B) and a suitable lifting device to link assembly (11). Secure link assembly (11) to link assembly (12) with Tooling (C) and a suitable lifting device.

  1. Position the cab riser and cab riser frame (6) for a distance of approximately 13 cm (5.0 inch) above the machine. Lower the cab riser and cab riser frame (6) onto suitable blocking. The weight of cab riser frame (6) is approximately 500 kg (1100 lb).

  1. Install pin (10) .

  1. Remove the suitable lifting device from link assembly (12) and Tooling (C) .

  1. Use Tooling (B) to lower link assembly (11) into position.
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    Illustration 38g01168053

  1. Install pin (7). Remove Tooling (B) .
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    Illustration 39g01168054

  1. Install plate (9) and bolts (8) .
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    Illustration 40g01168051

  1. Install cab riser cylinders (4). Refer to Disassembly and Assembly, "Cab Riser Cylinder - Remove and Install".

  1. Install tube assemblies (5) .
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    Illustration 41g01168047
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    Illustration 42g01168050
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    Illustration 43g01168048

  1. Use a suitable lifting device to position tray assembly (2). The weight of tray assembly (2) is approximately 113 kg (250 lb).

  1. Use a suitable lifting device to position tray assembly (2). Apply Tooling (G) to bolts (3). Install bolts (3) .
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    Illustration 44g01168046

  1. Install cab (1). Refer to Disassembly and Assembly, "Cab - Install".

  1. Raise cab (1) in order to remove the suitable blocking.

  1. Lower cab (1) .

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