HydraMaster RX20 NEXTGEN 120 VAC, Owner'S Manual, Page: 49 / 57

Owner’s Manual: 9-2
HIGH PRESSURE VALVE ASSEMBLY
In the event that the valve assembly needs to be replaced, follow this procedure (see
Figure 9-3).
1. Remove the 440 male quick connect (A)
with a wrench.
2. Remove the five hex head screws (B) in
the back plate on the handle and lift the
back panel off.
3. Disconnect the stainless steel hose from
the bottom of the valve assembly (C).
4. Remove the bolt (D) holding the trigger.
5. Remove the two bolts (E) holding the
valve assembly in the handle.
6. The valve may now be rebuilt or replaced.
If the valve has been frozen, inspect it for
leakage before re-installing the back plate.
Figure 9-3. Valve Assembly Parts
B
A
Whip Hose
C
D
E
B
B