12
HOIST OPERATION
Warm-up Procedures
A warm-up procedure is recommended at each start-up
and is essential at ambient temperatures below +40°F
(4°C).
The hoist should then be operated without load at low
speeds, forward and reverse, several times to circulate
gear lubricant through the planetary gear sets.
Basic Hoist Operation
The hoist should be positioned so the fl eet angle is be-
tween ½ and 1½ degrees. (Refer to “Fleet Angle” in “Glos-
sary of Terms” earlier in this publication) This would not
apply to a crane or other application having a stationary
“point” sheave.
1. The hoist control valve is a spring loaded manual throt-
tle valve. Viewed from the motor end of the hoist, the
valve handle is pulled in the counterclockwise direction
to hoist and the clockwise direction to lower. The speed
of the hoist is controlled by the degree of lever move-
ment.
2. The hand operated band brake is used as a parking
brake. It should be pulled in the counter clockwise
direction when viewed from the motor end of the hoist
to apply the brake
Ground personnel must stay in view of the operator
and clear of the load and hoist drum at all times. Do
not allow personnel near the hoist cable or wire rope
under tension. Do not allow personnel near the hoist
drum while the hoist is in operation. Do not allow
personnel to be in line with the load. Do not allow
personnel to stand under a suspended load. A safe
distance of at least 1½ times the working length of
the cable should be maintained by ground personnel.
A broken cable and/or lost load may cause personal
injury, death, or property damage.
CAUTION
WARNING
!
!
The following warnings and instructions are basic to safe hoist operation. Please read them carefully and follow them
each time your hoist is operated. These instructions are provided in addition to any information furnished by the Original
Equipment Manufacturer. Equipment operators should be completely familiar with the overall operation of the piece of
equipment on which the hoist is mounted (i.e. crane, truck crane, etc.). If you have any questions concerning the safe
operation of this hoist or the equipment it is mounted on, contact the equipment manufacturer that installed the hoist, or
the Braden Product Support Department at the numbers listed in the front of this manual.
Failure to use the proper type and viscosity of plane-
tary gear oil may contribute to intermittent brake clutch
slippage which could result in severe personal injury,
death, or property damage . Some gear lubricants
contain large amounts of EP (extreme pressure) and
anti-friction additives which may contribute to brake
slippage and damage to brake friction discs or seals.
Oil viscosity with regard to ambient temperature is also
critical to reliable brake operation. Our tests indicate
that excessively heavy or thick gear oil may contribute
to intermittent brake slippage. Make certain that the
gear oil viscosity used in your hoist is correct for your
prevailing ambient temperature.
CAUTION
WARNING
!
!
If the hoist is mounted on a crane or any other device
that has an extendable boom, care must be taken to
pay-out cable as the boom is extended. Failure to pay-
out suffi cient cable could result in a “two-blocking” con-
dition that could result in damage to and/or failure of the
hoist, cable, sheaves and/or boom.
CAUTION
WARNING
!
!
The hoist should not be operated if the internal disc
brake is not holding the load - it must be taken out of
service and repaired. Using a hoist with a worn internal
brake may result in loss of load control, injury, death, or
property damage.
CAUTION
WARNING
!
!
LOWER
HOIST
OPERATING LEVER
RAISE
HAND BRAKE LEVER
MOTOR OIL DRAIN
MOTOR OIL LEVEL
VIEW
Содержание Braden BA2A
Страница 2: ...2...
Страница 25: ...25 THIS PAGE INTENTIONALLY LEFT BLANK...
Страница 26: ...26 WINCH CROSS SECTION...
