TIMING, GEAR TRAIN & FRONT COVER - CONT

TIMING, GEAR TRAIN & FRONT COVER - CONT - TM-5-3820-256-24-5_292

TIMING, GEAR TRAIN & FRONT COVER - CONT - TM-5-3820-256-24-5_294

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 TIMING, GEAR TRAIN & FRONT COVER Section 7 With Crankcase front cover on (Refer to Figures 14 and 14a 1. Remove the pump access cover (1). 2. Remove the three drive gear bolts (2) securing the gear to the pump adapter and timing plate. 3. Remove the gear (3) as shown. Figure 14. - Removing Injection Pump Drive Gear (UTDS* Model 100 Fuel Injection Pump) [with front cover on] ) 1. Access cover 2. Injection pump drive gear 3. Drive gear bolts (3) Figures 14a. - Removing Injection Pump Drive Gear (Robert Bosch Model MW Fuel Injection Pump) [with front cover on] ) 1. Access cover 2. Injection pump drive gear 3. Pump drive gear bolts and washers (3) If necessary remove the Tachometer Drive Gear as follows: (For engines equipped with UTDS* Model 100 fuel injection pump) 1. Remove the two nuts (1, Fig. 15) and thrust plate (3), as shown. 2. Remove the spacers (from the mounting studs) and remove the gear (2, Fig. 15) from the dowel in the injection pump mounting adapter. If necessary remove the Crankshaft Drive Gear and Oil Pump Drive Spline as follows: 1. Remove crankcase front plate and crankshaft. (Refer to Section 6). 2. With the crankshaft removed from the crankcase, support the front of the crankshaft. Figure 15. - Removing Tachometer Drive Gear (UTDS* Model 100 Fuel Injection Pumps) 1. Nut 2. Tachometer drive gear 3. Thrust plate *United Technologies Diesel Systems (formerly AMBAC) CGES-185-3 PRINTED IN UNITED STATES OF AMERICA Page 8

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