TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 2–8 Change 1 2–4 SERVICE UPON RECEIPT OF MATERIAL — CONTINUED Service Upon Receipt Checklist – M109 Howitzer Series Cab — Continued LOCATION ITEM ACTION REMARKS/REFERENCES Cab – cont. 12. Basic Issue Items Uncrate and install or stow. TM 9–2350–311–10 (Stowed Items) WARNING The M140 alinement device is radioactively illuminated. Check for loss of luminescence, break- age, damage, or defects. If present, follow the procedures on page b. The M1A1 collimator is radioactively illuminated. Check for presence of illumination and damage. If discovered broken, damaged, or defective, follow the procedures on page b. 13. M140 Alinement Device Check for evidence of moisture; TM 750–116 purge and charge if required. Check for illumination. TM 9–2350–311–10 14. M1A1 Collimator Check for evidence of moisture; TM 750–116 purge and charge if required. Check for illumination. TM 9–2350–311–10 2–4.4 Processing Unpacked Equipment a. Install fire control and sighting equipment. No cleaning is required. b. Clean all other tools and equipment. c. Removal, Cleaning, and Installation of Rack Springs WARNING Remove breechblock operating rack springs only when breechblock is in closed position. Springs are under heavy pressure and could cause injury to personnel. Under no circumstances will re- moval of springs be attempted with breechblock open. 1 Removal of rack springs. (a) Push in plunger (1) with punch (SC 5180–95–CL–A12). Slide rack plate (2) rearward (toward bustle) until it disengages from plunger (1). (b) With breechblock closed, drive rack plate (2) rearward. Stop plate (3) and rack springs (4) will now pop out. Use clean rag (item 25, Appx D) to catch stop plate and rack springs.