2014/07/07 Caterpillar

New Fan Hose Clamp Support Bracket Now Used on AD55B and AD60 Underground Articulated Trucks {5057}

Usage:

Underground Articulated Truck: AD55B (S/N: JNW1-UP) AD60 (S/N: KNW1-UP)

Description of Change: New fan hose clamp support bracket is now used. The new fan hose clamp support bracket prevents contact with the secondary fuel filter.

Adaptable To: The new fan hose clamp support bracket is effective in production with, and adaptable to the following machines.

Show/hide table

Table 1
Model	Effective With	Adaptable To
AD55B	S/N:JNW276-UP	S/N:JNW1-275
AD60	S/N:KNW101,114-116,118,120-UP	S/N:KNW102-113,117,119

Show/hide table

Table 2
Qty	New Part Number	Part Description	Former Part Number
1	454-0969	Plate As	416-8452
2	8T-4139	Bolt	-
2	5P-1076	Hard Washer	-

Refer to the procedure below in order to install the new fan hose clamp support bracket.

Show/hide table




Illustration 1	g03651407
View of fan pump (1) Clip (2) Clip (3) Grommet (4) Bolt (5) Washer (6) 416-8452 Plate As (7) Bolt (8) Nut (9) Washer

Remove and discard 416-8452 Plate As (6), two bolts (4) and two washers (5).
Note: Retain clip (1), clip (2), grommet (3), bolt (7), nut (8) and two washers (9) for installation purposes.

Show/hide table




Illustration 2	g03651408
(1) Clip (2) Clip (3) Grommet (7) Bolt (8) Nut (9) Washer (10) 454-0969 Plate As (11) 8T-4139 Bolt (12) 5P-1076 Hard Washer (13) Hose assembly (14) Hose assembly

Install 454-0969 Plate As (10). Use bolt (7), nut (8) and two washers (9). Refer to Illustration 2.

Secure hose assembly (13) and hose assembly (14). Use clip (1), clip (2), grommet (3), two 8T-4139 Bolts (11) and two 5P-1076 Hard Washers (12). Refer to Illustration 2.