11
PREVENTIVE MAINTENANCE
A regular program of preventive maintenance for your
planetary winch is strongly recommended to minimize the
need for emergency servicing and promote safe, reliable
winch operation.
Field experience, supported by engineering tests, indi-
cates the three service procedures listed below are the
MOST critical to safe, reliable winch operation and must
be observed.
• Regular Gear Oil Changes
– every 1,000 hours or
six months
• Use of Proper Gear Oil
– recommended type for pre-
vailing ambient temperature
• Annual Disassembly and Inspection of All Wear
Items
– in compliance with American National Stan-
dards Institute (ANSI) specification B30.5c 1987 and
American Petroleum Institute (API) recommended
practice RP 2D section 3.
The following minimum service intervals are specified for
operating hours of the prime mover.
1.
Oil Level
The gear oil level should be checked every 500 operat-
ing hours or three months, whichever occurs first. Oil
level should be even with the centerline of the winch
drum. Rotate the winch drum until the level plug can
be seen in one of the two access holes on either side of
the drum support and remove the plug. The oil should
be level with the bottom of this opening. If additional oil
in needed, refer to Recommended Planetary Gear Oil
section of this manual.
2.
Oil Change
The gear oil should be changed after the first one hun
-
dred (100) hours of operation, then every 1,000 oper-
ating hours or six months, whichever occurs first. The
gear oil must be changed to remove wear particles that
impede the reliable and safe operation of the brake
clutch and erode bearings, gears and seals. Failure to
change gear oil at these suggested minimum intervals
may contribute to intermittent brake slippage which
could result in property damage, severe personal in-
jury, or death.
Rotate the drum until the –8 drain plug is aligned with
the lowest opening in the drum end support plate. In-
stall a short piece of 1-inch pipe through the end plate.
Reach through the pipe with a 5/16 hex Allen wrench
and remove the –8 plug to drain the oil. Install the
–8 plug and remove the 1-inch pipe when all the oil
has been drained from the drum. Gear oil circulates
between the drive and the drum through holes in the
primary ring gear, you must also remove the plug in the
rotating part of the winch drive to drain any trapped oil
in the drive. This is done by aligning the plug with the
opening in the support bracket directly below the winch
motor.
The gear oil should also be changed whenever the am-
bient temperature changes significantly and an oil from
a different temperature range would be more appropri-
ate. Oil viscosity with regard to ambient temperature is
critical to reliable brake clutch operation. Make certain
that the gear oil viscosity used in your winch is cor-
rect for your prevailing ambient temperature. Failure
to use the proper type and viscosity of planetary gear
oil may contribute to brake slippage which could result
in property damage, severe personal injury, or death.
Refer to Recommended Planetary Gear Oil section of
this manual for additional information.
Summary of Contents for CH330
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