Product Manual

44 Owner’s Manual for Wet-Prime Trash Pumps
Maintenance
Jack Maintenance
The following procedures should be performed at least
annually.
Side-Wind Models
•
The internal gearing and bushings of the jack must
be kept lubricated. Apply a small amount of auto-
motive grease to the internal gearing by removing
the jack cover, or if equipped, use a needle nose
applicator or standard grease gun on the lubrica-
tion point found on the side of the jack near the
crank. Rotate the jack handle to distribute the
grease evenly.
• A lightweight oil must be applied to the handle unit
at both sides of the tube.
Top-Wind Models
•
Apply a lightweight oil to the screw stem.
Figure 4-1. Lubrication Points
Trailer Wheel Bearings
Some trailers are equipped with a grease fitting to allow
lubrication of the wheel bearings without the need to
disassemble the axle hub. To lubricate the axle bearings,
remove the small rubber plug on the grease cap, attach a
standard grease gun fitting to the grease fitting and pump
grease into the fitting until new grease is visible around the
nozzle of the grease gun. Use only a high quality grease
made specifically for lubrication of wheel bearings. Wipe
any excess grease from the hub with a clean cloth and
install the rubber plug when finished. The minimum
recommended lubrication is every 12 months or 12,000
miles (19,312 km). More frequent lubrication may be
required under extremely dusty or damp operating
conditions.
Servicing The Pump
Pump Disassembly
The pump has a removable coverplate that provides quick
access to the pump’s interior. Adjustments can be made
between the clearance of the impeller and the external
wearplate without disturbing the seal assembly and impel-
ler back clearance.
The suction check valve can be easily replaced through
the front cover without removing the pipework. The rotating
assembly can also be removed without dismantling the
pump or disturbing the piping.
002755
B
B
A
A
A = Oil B = Grease