WATER PUMP, THERMOSTAT & IDLER PULLEYS - CONT

WATER PUMP, THERMOSTAT & IDLER PULLEYS - CONT - TM-5-3820-256-24-5_329

WATER PUMP, THERMOSTAT & IDLER PULLEYS - CONT - TM-5-3820-256-24-5_331

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
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SERVICE MANUAL WATER PUMP, THERMOSTAT & IDLER PULLEYS Section 9 Figure 23a. - New Style Bearing Housing with Groove and Coolant Seal with “O” Ring 1. Groove 3. Coolant Seal 2. "O" Ring 4. Bearing Housing Figure 23b. - Old Style Bearing Housing and Coolant Seal 1. Coolant 2. Bearing Housing 18. To install coolant seal seat into impeller: a. Moisten seal seat (3) and cup O.D. with water before assembly. b. By hand, press seal seat to bottom of impeller counter bore. c. Support shaft at front end. Take up shaft end play toward rear by pushing down on the housing. d. Press impeller (2) onto shaft with shaft supported on front end as shown in Fig. 24. Prior to full installing, place two 0.71 mm (0.028 in.) feeler gauges under the impeller as shown in Fig. 25 (for 4 and 8 vane pumps). Figure 24. - Installing Impeller 1. Impeller Figure 25. - Measuring Impeller to Housing Clearance 1. Sleeve 2. Feeler Gauge CGES-185-3 PRINTED IN UNITED STATES OF AMERICA Page 15

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