TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download

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TM 9–2350–311–20–2 6–54 Change 2 6–22 LINES AND FITTINGS FROM POWER PACK TO PRESSURE SWITCH AND GAGES This task covers: a. Removal b. Installation INITIAL SETUP Tools Artillery and turret mechanic’s tool kit (SC 5180–95–CL–A12) Materials/Parts Caps and plugs (item 7, Appx D) Lockwashers (4) (item 76, Appx G) Plastic bag (item 4, Appx D) Preformed packings (3) (item 43, Appx G) M109A4/M109A5 Preformed packings (5) (item 43, Appx G) M109A2/M109A3 Preformed packings (4) (item 46, Appx G) Preformed packing (item 47, Appx G) Tag, marking (item 36, Appx D) Equipment Condition Discharge hydraulic pressure (para 6–3) a. Removal WARNING Do not torque hydraulic fittings or perform removal procedures when hydraulic system is pres- surized. Discharging hydraulic system pressure before performing any maintenance proce- dures will avoid serious injury to personnel. Eye protection will be worn when performing maintenance procedures on all hydraulic compo- nents to avoid injury to personnel. CAUTION All hydraulic lines and ports must be capped to prevent contaminants from entering the hydrau- lic system and causing internal damage to hydraulic components. All serviceable components must be placed in plastic bags to prevent contamination of hydrau- lic system during installation.