CONFIDENTIAL TIBU4452-00
|
TECHNICAL INFORMATION BULLETIN |
Febuary 02, 2005 |
|
LOAD HAUL DUMP |
R1600G (9PP110-138) |
|
Component Code(s) 4004 |
SUBJECT: PISTON SEAL CAN BE DAMAGED DURING ASSEMBLY
PROBLEM:
Figure 1
View of the 9EQ4195 Brake Group
When assembling the 9EQ4195 Brake Group, 8M-6541 Seal (2) may be damaged by beveled corner (1) of axle housing (3).
Table 1
|
Qty |
Part Number |
Part Description |
|
1 |
9EQ4181 |
Housing |
|
1 |
9EQ4182 |
Housing |
|
1 |
9EQ4183 |
Housing |
|
1 |
9EQ4184 |
Housing |
SOLUTION:
Front and rear axle housings (3) can be modified during a repair or rebuild by machining a radius on the existing bevel. Refer to Table 1 for the front and rear axle housing part numbers.
R1600G 9PP139-Up will have the modified axle housings installed from the factory and retain the same part numbers.
Figure 2
Typical axle housing viewed from the brake piston end
The axle housings in Table 1 can be modified. Refer to Figure 2 for the machining details.
Deburr all sharp edges and ports (D) prior to assembly of the 9EQ4195 Brake Group.
Note: Do not pack grease behind 8M-6541 Seal (2) when installing to the parking brake piston. Refer to Figure 1.
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