MULTIQUIP MP200SDLSM Manual do Operador Página 33

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DRY PRIME PUMP — OPERATION AND PARTS MANUAL — REV. #3 (10/06/08) — PAGE 33
Periodically check the actuator mounting fasteners for
damage or loosening. Inspect the actuator for worn or dam-
aged parts. As you are towing your trailer, be aware of any
changes in braking quality. This could be an early warning of
brake or actuator malfunction and requires immediate
attention. Consult a certified brake specialist to make
necessary adjustment or repairs.
Adjustable Channel
Your trailer may be equipped with an adjustable channel (Fig-
ure 22) that allows the coupler to be raise or lowered to a
desired height. Periodically check the channel bolts for dam-
age or loosening.
Figure 22. Adjustable Channel
With Pintle Eye Coupler
MAINTENANCE (TRAILER)
2-5/16” BALL
COUPLER
ADJUSTABLE
CHANNEL
5/8” FLAT
WASHER
5/8”X11”X5
BOLT
5/8”
NYLOC
NUT
Replace bearings that have flat spots on rollers, broken
roller cages, rust or pitting. Always replace bearings
and cups in sets. The inner and outer bearings are to be
replaced at the same time.
Replace seals that have nicks, tears or wear.
Lubricate the bearings with a high quality EP-2
automotive wheel bearing grease.
Wheel Hub Adjustment
Every time the wheel hub is removed and the bearings are
reassembled, follow the steps below to check the wheel
bearings for free running and adjust.
Turn the hub slowly, by hand, while tightening the spindle
nut, until you can no longer turn the hub by hand.
Loosen the spindle nut just until you are able to turn it
(the spindle nut) by hand. Do not turn the hub while the
spindle nut is loose.
Install a new cotter pin through the spindle nut and axle.
Check the adjustments. Both the hub and the spindle
nut should be able to move freely (the spindle nut
motion will be limited by the cotter pin).
Wheel Bearings (Hubs)
Wheeel bearings (Figure 23) must beinspected and lubri-
cated once a year or 12,000 miles toinsure safe operation of
your trailer.
If a trailer wheel bearing is immersed in water, it must be
replaced.
If the pump/trailer has not been used for an extended amount
of time, have the bearings inspected and packed more
frequently, at least every six months and prior to use.
Follow the steps below to disassemble and service the
wheel bearings.
After removing the dust cap, cotter pin, spindle nut
and spindle washer, remove the hub and drum to
inspect the bearings for wear and damage.
Figure 23. Wheel Hub Components
WHEEL
HUB
BEARING
CUP
BEARING
CONE
OIL
SEAL
CASTLE
NUT
SPINDLE
WASHER
COTTER
PIN
DUST
CAP
LUG
NUT
If trailer wheels are under water for a long period of time,
wheel bearings may fail. If this is the case, service wheel
bearings immediately.
The possibility exists of the wheels falling off, causing
equipment damage and severe bodily harm even death!
DANGER - Wheel Bearings
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