BASE AS-ENGINE 7W9334 - Caterpillar

Table 1
Parts Required to Install the Companion Seat    
Qty     Part Number     Description    
1     318-7704     Seat    
1     326-6858     Support Bracket    
1     156-1148     Seat Belt    
2     326-6851     Tapping Block    
2     1P-2841     Spacer    
4     8T-4192     Bolt    
4     8T-4908     Bolt    
4     8T-4223     Hard Washer    
4     8T-4224     Hard Washer    ReferenceSpecial Instruction, REHS1841, "General Welding Procedures"ReferenceMaintenance Manual, RENR4700, "Machine Repairs and Welding Procedures"ReferenceService Manual, RENR8595, "Machining and Welding Information for Underground Articulated Trucks" Procedure to Install New Companion Seat
Preparation
Connect the steering frame lock.
Turn the battery disconnect switch to the OFF position.
Illustration 1 g01602733
Remove and discard seat (1) and seat belt (2) from the cab.
Remove cab lining (3) .
Illustration 2 g01605238
Remove bracket (4). Grind flush any protruding welds.Note: Protect exposed lining, hose assemblies and all other components from heat and sparks generated by grinding and welding.
Illustration 3 g01605239
(5) 326-6851 Tapping Blocks (A) 102.5 mm (4.04 inch) (B) 356 mm (14.0 inch) (C) 353.5 mm (13.90 inch)
Install and weld two 326-6851 Tapping Blocks (5). Refer to Illustration 3 and Table 2.
Table 2
Item     Dimension    
W1    
5 mm (0.20 inch) Fillet Weld    Installation Procedure
Illustration 4 g01605274
(1) 318-7704 Seat (2) 156-1148 Seat Belt (3) 1P-2841 Spacer (4) 326-6858 Support Bracket (5) 8T-4192 Bolt (6) 8T-4223 Hard Washer (7) 8T-4908 Bolt (8) 8T-4224 Hard Washer
Install Item (1) through Item (8) .