Maintenance - pronovost P-511-60 Operator's Manual

MAINTENANCE

Before performing any work under the raised
platform, always install the safety prop provided.
1) Wipe off all grease fittings with a clean cloth
before adding grease in order to avoid injecting
dirt or sand.
2) Repair or replace damaged grease fittings.
3) Lubricate all grease fittings every 20 hours of
operation.
4) Check all bolts on wheels as indicated in the start-
up section.
5) Lubricate panel release mechanism, front and rear,
every 20 hours of operation.
6) Check tire pressure every 50 hours of operation,
adjust according to manufacturer's
recommendation indicated on the tires.
7) Check brakes once a year and adjust or repair if
necessary.
8) Open, clean and lubricate wheel bearings once a
year.
Adjust the bearings as follows:
a-Lubricate spindle threads.
b-Screw the adjusting nut on the spindle thread.
c- Set a bearing preloading by torquing the
adjusting nut to 200 ft-lbs to make up for any play
between parts. N.B.: This step must be carried
out while rotating the wheel.
d-Loosen the adjusting nut one complete turn.
e- Now tighten it again to a 50 ft-lbs torque.
f- Loosen the nut 1/4 turn; while doing so,
determine the right position for the locking device.
g-Install the locking device.
9) Check all nuts and bolts once a year. If necessary
use torque chart on page 28.
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