ROUTINE MAINTENANCE
NOVA Lock & Load
TM
Owner’s Manual
10
DRIVE CHAIN ADJUSTMENT
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.
DANGER
!
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.
The drive chain should not have more than 1/4"
slack. Refer to Figure H. To tighten chain:
Open motor enclosure and loosen the four (4)
motor mounting bolts.
Pry the motor assembly forward, in the
slotted holes, until the chain is tight with prop-
er alignment between sprockets.
Hold in this position and tighten the four (4)
motor mounting bolts to 75 in-lbs.
FIGURE H—MAINTENANCE AND LUBRICATION
BRAKE TORQUE ADJUSTMENT
(Refer to Figure H.)
Loosen brake adjuster locknut while holding
the adjuster screw to prevent inadvertent
adjustment.
Turn adjuster screw clockwise to increase
brake torque as needed.
Tighten adjuster locknut while holding the
adjuster screw to prevent inadvertent
adjustment.
Verify brake torque is in the range of 500 to
700 in-lbs at the hook shaft; readjust as re-
quired.