TIMING, GEAR TRAIN & FRONT COVER - CONT

TIMING, GEAR TRAIN & FRONT COVER - CONT - TM-5-3820-256-24-5_291

TIMING, GEAR TRAIN & FRONT COVER - CONT - TM-5-3820-256-24-5_293

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
261

SERVICE MANUAL TIMING, GEAR TRAIN & FRONT COVER Section 7 2. Insert the end of the indicator between any two teeth of the gear to be measured. 3. Move the gear by hand, slightly, then read dial indicator to determine backlash. NOTE: Backlash between any set of timing gears should not exceed 0.41 mm (0.016 in.). Any gear exceeding this value requires service. Remove the Idler Gear as follows: 1. Remove the retainer bolt (1, Fig. 12), stub shaft (2) and bearing (3). A split ring prevents the bearing from coming off the stub shaft. 2. Remove the idler gear (4, Fig. 1 2), bearing (5) and spacer (6) as shown. Figure 12. - Removing Idler Gear 1. Retainer bolt 4. Idler gear 2. Stub shaft 5. Bearing 3. Bearing 6. Spacer If necessary, remove the Injection Pump Drive Gear as follows: With Crankcase front cover off (Refer to Figures 13 and 13a) 1. Remove the three drive gear bolts (1). 2. Remove the pump drive gear (2) from the dowel as shown Figure 13. - Removing Injection Pump Gear Engines equipped w/UTDS (formerly AMBAC) Model 100 Fuel Injection Pump (with front cover off) 1. Drive gear bolts (3) 2. Injection pump drive gear Figure 13a. - Removing Injection Pump Gear (Engines equipped w/Robert Bosch Model MW Fuel Injection Pump) [with front cover off]) 1. Drive gear bolts (3) 2. Injection pump drive gear CGES-185-3 PRINTED IN UNITED STATES OF AMERICA Page 7

Privacy Statement
Press Release
Contact