Figure 24. Camshaft Removal

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 DISASSEMBLY Section 2 Figure 24. Camshaft Removal IMPORTANT CARE SHOULD BE TAKEN TO PROTECT EXPOSED CONTROL RACK GUIDE PIN WHEN USING THE ARBOR PRESS. PUMP TAPPET AND BARREL REMOVAL 25. Attach bracket of tappet depressor tool KDEP 1505 (Figure 25) to pump bottom edge using two screws (supplied with tool) and tighten. Using the double adapter (holds two tappets) insert adapter into tube end of small round bar. Figure 25. Tappet Depressor Tool KDEP 1505 1. Bracket 4. Depressor Bar 2. Double Adapter 5. Threaded Screw 3. Small Round Bar on Bracket 26. Place adapter over tappets No. 1 and No. 2. Hook depressor bar under upper nut of threaded rod on bracket and adjust nut for leverage. 27. While pushing on tappets screw knurled handle of tappet holder in until it pops out (Figure 26). Hold on to holder when depressing tappets because foot of holder is spring loaded and toll will spring out. Figure 26. Tappet Removal 1. Tappet Depressor Tool KDEP 1505 2. Tappet Holder NOTE: If tappet depressor tool KDEP 1505 is not available use spring compressor KDEP 1067 as follows: a. Mount pump in spring compressor KDEP 1067 (5, Figure 27). Place pump upside down with governor end toward vise. With spacer plate in between, slide clamping device (2, Figure 27) against right side of pump and secure pump in place. CGES-375 Printed in United States of America Page 11

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