REPLACE/REPAIR TRACK TENSIONING RELIEF VALVE AND UNLOADING VALVE - Continued
DISASSEMBLE - Continued.
Loosen hex nut (49) and separate hex nut,
adjustment screw (50) and valve retainer (48).
Remove valve guide (51), spring (52), and
spring holder (53) from valve body (31).
Remove preformed packing (54) from valve
guide (51). Discard preformed packing.
CLEAN TRACK TENSIONING RELIEF VALVE
AND TRACK TENSIONING UNLOADING VALVE
Cleaning solvent, P-D-680, is TOXIC
goggles and gloves. Use only in a well
ventilated area. Avoid contact with skin,
eyes, and clothes, and do not breathe
vapors. Keep away from heat or flame.
Never smoke when using solvent; the
flashpoint for Type m cleaning solvent is
200°F (93,3°C). Failure to do so may
result in injury or death to personnel.
If personnel become dizzy while using
cleaning solvent, immediately get fresh
air and medical help. If solvent contacts
skin or clothes, flush with cold water. If
solvent contacts eyes, flush eyes with
water and get immediate medical
Rinse all metal parts in cleaning solvent.
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