Drain Valve
WARNING
INJECTION HAZARD
To reduce the risk of serious injury, when instructed to relieve pressure, follow the Pressure Relief Procedure on page 8.
1.Relieve pressure.
2.Turn handle (54) to closed position. Drive out pin (53). Remove handle.
3.Remove base (52).
4.Unscrew drain valve assembly (51). gasket (55) and seat (56) will stay in valve.
55
56 2
51
Repair
1.Unscrew spring retainer from valve body. Remove spring, washers and stem/ball. Clean any debris from ball or seat area.
2.If replacing gasket (55) or seat (56), pry out gas- ket.
NOTE: Whenever gasket (55) is removed, replace it with a new one.
3.Place seat (56) in drain valve assembly (51) so lapped side is toward ball. Apply a small amount of grease to new gasket (55) and install it in drain valve assembly.
NOTE: The gasket will protrude from the end of the valve until the valve is tightened into pump, which correctly seats the gasket.
1
1 Torque into pump manifold to
52 3
53
Replacement
1. Apply a small amount of thread sealant (110110) |
onto drain valve assembly (51) threads. Tighten |
the valve into the pump manifold (229) to 185 |
(21 N m). |
185
2 Apply thread sealant
54 4
2. Lightly grease face of base (52) and install base. |
3Apply grease to face of base
4Handle shown in closed position
Fig. 27 | 7839A |
|
Turn stem so pin hole is vertical. |
3. Securely install handle (54) and drive pin (53). |
30 308801
