MODULE 1798834 - Caterpillar

Illustration 1 g00581167
Put identification marks on four bolts (2) prior to removal for installation purposes. Remove four bolts (2) and the washers that hold screen assembly (1) to oil cooler core (3). Remove screen assembly (1) and the O-ring seal (not shown) from oil cooler core (3) .
Illustration 2 g00581171
Disconnect two hose assemblies (4) and (5) from bonnet (6) .
Illustration 3 g00581193
Put identification marks on two bolts (8) prior to removal for installation purposes. Remove two bolts (8), the washers, and the retainers that hold elbow (10) to tube assembly (9). Remove four bolts (11) that hold elbow (10) to bonnet (6) .
Remove bolt (7), the washer, and the nut that holds bracket (12) to the clip. Remove bolt (13) and the washer that holds bracket (12) to bonnet (6). Remove bracket (12) from bonnet (6) .
Illustration 4 g00581194
Remove O-ring seal (16) and the retaining ring from tube assembly (9). Remove gasket (17) from bonnet (6) .
Remove hose assembly (18) from screen assemblies (14) and (15) .
Illustration 5 g00581195
Remove four bolts (19) and the washers that hold screen assembly (15) to oil cooler core (3). Remove screen assembly (15) and the O-ring seal (not shown) from oil cooler core (3) .
Illustration 6 g00581196
Disconnect hose assembly (20) from oil cooler core (21) .
Illustration 7 g00581198
Remove tube assembly (22) from bonnet (23) and bonnet (24) .
Illustration 8 g00581199
Position a suitable lifting sling around oil cooler core (21), as shown. Secure the lifting sling to a hoist.
Illustration 9 g00581201
Remove bolt (25) and the washer from bracket (26). Remove two bolts (27) and the washers that hold plate (28) to bonnets (23) and (29). Remove plate (28) from bonnets (23) and (29) .
Illustration 10 g00581202
Put identification marks on remaining 11 bolts (30) that hold bonnet (6) to the oil cooler cores for assembly purposes. Put identification marks on two bolts (31) that hold bonnet (6) to bracket (32) .
Remove two bolts (31) and the washers that hold bonnet (6) to bracket (32). Remove remaining 11 bolts (30) and washers that hold bonnet (6) to the oil cooler cores. Remove bonnet (6) and the gaskets (not shown) from the oil cooler cores.
Remove oil cooler core (21). The weight of oil cooler core (21) is 59 kg (130 lb).
Illustration 11 g00581204
Position a suitable lifting sling around oil cooler core (3). Secure the lifting sling to a hoist. Remove remaining five bolts (34) that hold oil cooler core (3) to bonnet (29). Remove oil cooler (3) and gasket (33) (not shown) from bonnet (29). The weight of oil cooler core (3) is 59 kg (130 lb).
Illustration 12 g00581205
Remove O-ring seal (36) from bonnet (23). Remove remaining four bolts (35) that hold bonnet (23) to oil cooler core (21). Remove bonnet (23) and gasket (37) (not shown) from oil cooler core (21) .
Illustration 13 g00581206
Use a rod of 3 mm (0.125 inch) diameter in order to clean oil cooler core (21). Repeat this procedure for the remaining oil cooler core.