Table 2-4. Preventive Maintenance Checks and Services for Handling Equipment (Continued)
Q - Quarterly
S - Semiannually
A - Annually
CHECK FOR AND HAVE
IS NOT READY/
REPAIRED OR ADJUSTED
B D A D W M Q S A
k. Check trolley hoist tracking mechanism.
Lift load a few inches off deck and lower
nism does not run
to original position while checking for
free or slippage
slippage or free run. Adjust or repair as
Inspect load bearing parts such as hand
chain wheels, chain attachments, sus-
pension bolts, shafts, gears, and bear-
Be sure that electrical power is OFF before
performing any maintenance on electrical
systems. Redtag appropriate switches and
circuit breakers with: "WARNING - DO NOT
ACTIVATE. REPAIRS BEING MADE."
Observe all safety precautions listed at the
beginning of this manual.
Due to high pressure in hydraulic system, do
NOT operate crane with any visible leaks.
Repair crane prior to use. Correct leaks in
flexible hose, hard piping, or joints. Do not
confuse seepage around hydraulic packing
on actuator arms with leaks. A small
amount of seepage is acceptable.
a. Check maintenance log for bow crane
and associated hydraulic system to
assure there are no discrepancies that
b. In void 1, visually inspect hydraulic pump,
Class Ill leaks.
motor and hard piping of crane hydraulic
system for leaks or damage. Do not use
system if such leaks are present. Notify
shift leader or bargemaster so corrective
action can be taken.