RIM TRACK 7K3995 - Caterpillar

Illustration 1 g06149879
View of former magnet location
Illustration 2 g06149915
View of new magnet location
Table 1
Parts list
Item Qty New Part Number Description Former part number
1 6 9R-2613 Weld Boss -
2 4 519-0838 Cover 177-0398
3 4 179-0164 Magnet 179-0164
4 6 8T-4121 Hard Washer -
5 6 6V-4248 Bolt - Rework Instructions
Refer to Disassembly and Assembly, KENR8372, "797F Off-Highway Truck Power Train" to remove components for access to rework area.
Illustration 3 g06154377
Rework location
Clean and prepare rear axle housing rework area for welding.Reference: Special Instruction, REHS1841, "General Welding Procedures"
Illustration 4 g06154428
Side view of rear axle housing
(AA) 38 5 mm (1.5 0.2 inch)
(1) 9R-2613 Weld Boss
Illustration 5 g06154416
Top view of boss locations
(BB) 265 5 mm (10.4 0.2 inch)
(CC) 194 2 mm (7.6 0.078 inch)
(W1) 5 mm Fillet Weld
(1) 9R-2613 Weld Boss
Center boss (1) will be positioned between two bottom spindle mounting holes. Measure (AA) inward from either hole per illustration 4 for center boss location.
Position three bosses (1) per illustrations 4 and 5. Secure each boss (1) with a 5 mm fillet weld all around.Note: Ensure bosses are as vertical as possible for proper magnet mounting later in procedure.
Illustration 6 g06154589
View of new magnet location
(2) 519-0838 Cover
(3) 179-0164 Magnet
(4) 8T-4121 Hard Washer
(5) 6V-4248 Bolt
Position two covers (2) and two magnets (3). Secure with three bolts (5) and three washers (4).
Repeat steps 1 - 5 for the other side of the machine.