Thermal Bypass Actuator Removal

Portable Pressure Washer Familiarization and Troubleshooting Guide Section 7 • Large Frame Pump

To remove the three (3) outlet (high pressure) check valves, refer to Figure 7.15 and proceed as follows:

Figure 7.15 — Outlet Check Valve Removal Thermal Bypass Actuator Removal Refer to Figure 7.16 and:

Figure 7.16 — Thermal Bypass Actuator Removal

Item Name 1 Puller tool 2 Backup rings 3 Check valve 4 O-rings

1. Insert the ‘T’ handle through the puller tool thimble (item 1). 2. Turn the puller lower tee handle fully counterclockwise. 3. Insert the puller down through the high pressure port tower. 4. Turn the puller upper tee handle clockwise until the puller threads have engaged the check valve threads.

NOTE: Do not turn the tool in too far. An engagement of 2 or 3 threads is sufficient. 5. With the puller threads engaged with the check valve threads, turn the tool lower handle clockwise to remove the check valve. Both the high pressure port tower and the outlet check valve will be removed. 6. Repeat steps 2 to 5 for the other outlet check valves. Item Name 1 Pump crankcase 2 Spring 3 O-ring 4 Spacer plate 5 Head gasket 6 Pump head 7 Insert brass rod here 8 Thermal bypass actuator

1. Remove the small bypass piston. 2. Obtain a brass rod approximately 1/4” (5.35mm) in diameter and 7” long. 3. Insert rod from the unloader/pressure regulator valve side of the head. 4. Tap the rod gently with the dead blow hammer to free the actuator.