Owner's manual

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