Cylinder Head - Briggs & Stratton CE8070 Troubleshooting Manual

Cylinder Head

NOTE:
Some pump models feature a BRASS
cylinder head, some an ALUMINUM cylinder head.
To remove the pump cylinder head, refer to Figure 7.12 and
proceed as follows:
1. Remove six (6) M8-1.25 socket head cap screws and M8
ribbed lock washers.
Figure 7.12 — Pump Head Removal
Item Name
1 Spacer plate
2 Head gasket
3 Thermal bypass
4 Plug
5 Cylinder head
6 Lock washer
7 Socket head cap screw
8 Inlet water connector/filter
2. Remove the cylinder head and head gasket.
To disassemble the head and remove the check valves, refer
to Figures 7.13 to 7.15 and proceed as follows:
A special puller tool (included in
kit number SRV95523) is used to remove
Products®
the inlet and outlet check valves. As shown in Figure 7.13,
the tool consists of a threaded (7/16"-20) tee handle
arrangement.
Three (3) inlet and three (3) outlet check valves are
threaded (7/16"-20) to accept the threaded tee handle.
Portable Pressure Washer Familiarization and Troubleshooting Guide
Generac Portable
To remove the three (3) inlet (low pressure) check valves,
refer to Figure 7.14 and proceed as follows:
Figure 7.13 — Check Valve Puller
1. Insert the 'T' handle through the puller tool thimble
(item 1).
2. Turn the puller upper tee handle clockwise until the
Figure 7.14 — Inlet Check Valve Removal
Item Name
1 Puller tool
2 O-ring
3 Check valve
4 Backup ring
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.
3. With the puller threads engaged in the check valve
threads, hold the upper 'T' handle and keep it from
turning while you turn the tool lower 'T' handle
clockwise.
4. Repeat steps 2 and 3 for the other inlet check valves.
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Section 7 • Large Frame Pump