Table 4-1. Unit Troubleshooting Chart - cont

Table 4-1. Unit Troubleshooting Chart - cont - TM-9-2330-275-14P_131

Table 4-1. Unit Troubleshooting Chart - cont - TM-9-2330-275-14P_133

TM-9-2330-275-14P Trailer Tank Water: 400 Gallon 1-1/2 Ton M149 (NSN 2330-00-542-2039) M149A1 (NSN 2330-00-832-8801) M149A2 (2330-01-108-7367) Manual
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TM 9-2330-275-14&P Table 4-1. Unit Troubleshooting Chart (con’t). HYDRAULIC SYSTEM (con’t). 10. PUMP FUNCTIONS BUT DOES NOT GENERATE FULL PRESSURE. Initial Setup: Equipment Conditions: Tools and Test Equipment. l Dolly set parked on Ievel surface with General mechanic’s tool kit handbrakes applied (para 2-2). Common no. 1 shop set A. Remove hydraulic pump from dolly (para 4-75, 4-78, or 4-81). Remove overload valve from hydraulic pump (pare 4-76,4-79, or 4-82). Clean and inspect valve hole. Clean and seat ball valves (pare 4-76,4-79, or 4-82). Install overload valve on hydraulic pump (para 4-76, 4-79, or 4-82). DOES PUMP FUNCTION AT MAXIMUM PRESSURE? (para 4-75, 4-78, or 4-81). B. Test hydraulic pump output pressure (para 4-77 or 4-80). IS PRESSURE OK? C. Adjust hydraulic pump output pressure (para 4-77 or 4-80). IS PRESSURE OK? pump (para 4-75,4-78, or 4-81). If problem still exists, notify Direct Support maintenance for assistance. Problem solved. Continue mission. END OF TASK 4-28

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