WATER PUMP, THERMOSTAT & IDLER PULLEYS - CONT

WATER PUMP, THERMOSTAT & IDLER PULLEYS - CONT - TM-5-3820-256-24-5_337

WATER PUMP, THERMOSTAT & IDLER PULLEYS - CONT - TM-5-3820-256-24-5_339

TM-5-3820-256-24-5 Drilling System Well Rotary Truck Mounted Air Transportable 600 Feet Capacity Model LP-12 NSN 3820-01-246-4276 Manual
Page Navigation
307

SERVICE MANUAL WATER PUMP, THERMOSTAT & IDLER PULLEYS Section 9 REASSEMBLY AND INSTALLATION Reassemble and Install the Fan Idler Pulley (with Front Ball Bearing and Rear Roller Bearing) as follows: IMPORTANT: When rebuilding the fan idler bracket, it is necessary to use the Pilot Tool (PLT-561 or SE- 4038) on the end of the idler pulley shaft when installing it in the idler bracket. Use of the tool will ensure accurate entry of the inner race into the roller bearing assembly, without damage on DT-466 engines. Pilot tool is in effect starting on DT-466 with engine Serial Number 98453 and up. 1. To facilitate removal of the tool, the pipe plug hole (1, Fig. 36) in the idler bracket must be enlarged. Drill and tap hole with 57/64 drill to 3/4 inch NPT. Thoroughly clean reworked idler bracket to insure all machining chips are removed. Figure 36. - Rework of Idler Bracket 1. Idler Bracket Hole Figure 37. - Installing Inner Race 2. Press inner race of roller bearing onto the shaft until it is against the shoulder as shown in Figure 37. 3. Pack roller bearing rollers with 251 H-EP grease. 4. Supporting the base of the idler bracket, press roller bearing outer race and roller assembly into idler bracket until it bottoms against bracket as shown in Figure 38. APPLY FORCE TO OUTER RACE ONLY. CGES-185-3 PRINTED IN UNITED STATES OF AMERICA Page 23

Privacy Statement
Press Release
Contact