Maintenance PT 6L
44 wc_tx001598gb.fm
5.12 Bearing Housing Lubrication
See Graphic: wc_gr003179
Check oil level in housing daily before starting. Add oil as required.
Change oil every 300 hours.
To check oil level:
5.12.1 Remove plastic fill plug (b) from top of bearing housing. Oil level
should be near center of drive shaft. Add oil as required.
To change oil:
5.12.1 Remove plug (d) from bottom of bearing housing.
5.12.2 Replace drain plug and add 470 ml (16 oz.) of 15W40 oil through port
(b) on top of bearing housing. DO NOT overfill housing.
Inspect drained oil. If oil is dirty or feels watered down, inspect pump
and bearing housing seals.
5.13 Impeller Inspection
See Graphic: wc_gr003206
Sand, dirt, and debris will cause the impeller to wear. If the pump’s
performance drops over time, check and adjust the clearance between
the impeller and the insert.
5.13.1 Shut down the machine.
DO NOT reach into or insert anything into the pump while the engine
is running!
DO NOT run the pump with the impeller cover removed.
5.13.2 Open the bottom drain cover and drain the pump.
5.13.3 Remove the suction flange (a) and the flapper gasket (b) from the front
of the pump.
Impeller edges can become extremely sharp; use care when working
on the pump to reduce the risk of being cut.
5.13.4 Clean the impeller (d) with a 50-50 mixture of bleach and water before
working on it.
5.13.5 Reach inside the pump through the suction port, and use a feeler
gauge (c) to check the gap between the impeller and the insert (e). The
pump will operate most efficiently when the gap is maintained between
0.15–0.75 mm (0.005–.025 in.). Larger gaps are allowable but may
reduce pump output slightly.
5.13.6 If necessary, add shims (f) between the insert and the impeller cover
(g) to decrease the gap between the impeller and the insert. The insert
is attached to the back side of the impeller cover. To add shims:
WARNING
CAUTION
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