Product Manual

Westinghouse Outdoor Power Equipment | 21
WARNING
Allow hot components to cool to
the touch prior to performing any
maintenance procedure.
INSPECT MUFFLER
Inspect the muer for cracks, corrosion, or other
damage. If replacement parts are required, make sure
to use only original equipment replacement parts.
CLEANING SPARK ARRESTOR
1. Remove heat shield from the muer by loosening
the two bolts.
WPX2800 Muer Shown
2. If the spark arrestor is removable, take it o the
muer. If it is welded then simply clean it on the
muer.
3. Inspect the spark arrestor, replace if torn,
perforated or otherwise damaged. Do not use a
defective screen.
4. Use a wire brush to clear carbon from spark
arrestor. If required use a commercial solvent to
clean.
5. Reinstall muer assembly.
MAINTENANCE
REMOVE AND INSTALL THE PUMP
1. Disconnect high-pressure hose and soap siphon
hose from pump.
NOTE: The pump mounting bolts also mount the
engine in place. Do not tip the unit or the
engine could be damaged when pump is
removed.
2. Remove the mounting bolts and washers holding
the pump to the frame.
WPX3100 Pump
(Back View)
WPX2600/2800 Pump
(Bottom View)
3. Slide the pump down o the crankshaft.
4. Apply a thin layer of grease to the crankshaft before
installing the pump.
5. Inspect the key and keyway on crankshaft.
6. Slide the pump onto the crankshaft making sure the
key lines with the keyway in the pump.
7. Install the pump/engine mounting bolts and tighten
to 25 ft-lb (34 N.m).