g. Remove plug and preformed packing from valve body

2. DISASSEMBLE TRACK TENSIONING UNLOADING RELIEF VALVE

TM-5-3895-373-34 Paving Machine Bituminous Material Crawler Mounted Diesel Engine Driven Manual
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TM 5-3895-373-34 B. DISASSEMBLE - Continued. Use care when removing snap and retaining rings. Snap and retaining rings are under spring tension and can act as projectiles when released and could cause severe eye injury. f. Use snap ring pliers and remove retaining ring (37), valve guide (38), spring (39), and valve disk (40) from valve body (32). g. Remove plug (41) and preformed packing (42) from valve body (31). Discard preformed packing. h. Remove valve slide (43), valve liner (44), and check ball (45). Use caution when removing seals and preformed packings. Do not use excessive force when removing seals and preformed packings. Use an o-ring tool to remove seals and preformed packings. Scratched or dented seal grooves can cause valve leakage. NOTE Preformed packing (46) may remain inside of valve body (31) when removing valve liner (44). Use an o-ring tool to remove preformed packing if necessary. i. Remove preformed packings (46 and 47) from valve liner (44). If preformed packing (46) did not come out with valve liner, use o-ring tool to remove preformed packing from valve body (31). Discard preformed packings. j. Use a wrench on valve retainer (48) and remove valve retainer, hex nut (49) and adjustment screw (50) as an assembly from valve body (31). k. Measure the thread exposure on adjustment screw (50). This is measurement B. This measurement will be used during reassembly. GO TO NEXT PAGE 2-523

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