Poweramp TPR SERIES - Manual (Page 30)

28 4111-0035 — Feb 2012
Aug 2012
ADJUSTMENTS
1. Inspect the drive chain periodically for dirt and chain
slack. Open the motor enclosure and clean the chain
with solvent. After cleaning, spray with a high quality
chain spray type lubricant.
2. The drive chain should not have more than 1/4" slack.
To tighten chain:
3. Open motor enclosure and loosen the three (3) motor
mounting bolts.
4. Pry the motor assembly forward, in the slotted holes,
until the chain is tight with proper alignment between
sprockets.
5. Hold in this position and tighten the three (3) motor
mounting bolts to 75 in-lbs .
DRIVE CHAIN ADJUSTMENT
BRAKE TORQUE ADJUSTMENT
1. Loosen brake adjuster locknut while holding the
adjuster screw to prevent inadvertent adjustment.
2. Turn adjuster screw clockwise to increase brake
torque as needed.
3. Tighten adjuster locknut while holding the adjuster
screw to prevent inadvertent adjustment.
4. Verify brake torque is greater than 500 in-lbs at
the hook shaft; readjust as required.
When working with electrical or electronic controls,
make sure that the power source has been locked
out and tagged according to OSHA regulations and
approved local electrical codes
.
BRAKE ADJUSTER SET SCREW
LOCKNUT
LUBRICATE DRIVE CHAIN AND LIMIT
SWITCH MOUNTING BRACKET. USE
SPRAY GREASE (ZEP 2000 OR EQUAL)
USE TORQUE WRENCH