854 Quad Bender
Greenlee / A Textron Company
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
21
Maintenance
Electric shock hazard:
Disconnect the unit from power
before servicing.
Failure to observe this warning could
result in severe injury or death.
Wear eye protection when operating
or servicing this tool.
Failure to wear eye protection could
result in serious eye injury from flying
debris.
Schedule
Component
Maintenance Activity
Maintenance Interval
Chain
Lubrication and
Tension Adjustment
Every 6 months*
Roller Supports
Cleaning and
Lubrication
Every 6 months*
Commutator
Brushes
Replacement
When drive unit
performance
diminishes noticeably
* More often if the bender is used in dusty or corrosive environments
Chain Lubrication and Tension Adjustment
1. Disconnect the bender from the power source.
2. See the 1-1/2" to 2" Side Exploded View. Remove
the 1-1/2" to 2" shoe (see Changing Shoes in this
section of the manual).
3. See the Main Exploded View. Remove the screws
(23) and front chain guard assembly (4).
4. Spray a motorcycle chain lubricant on the inside
of the chain between the sprockets while pressing
UNLOAD. Lubricate the entire length of the chain.
5. Check the amount of slack halfway between the
sprockets. If the chain slack is :
More than 25 mm (1"), proceed to step 6.
Less than 25 mm (1"), proceed to step 10.
6. Remove 11 screws (23) and motor guard (5).
7. Loosen the two motor mounting screws (25) on the
front, and the two on the back, and the nut (22).
8. Torque the eccentric locator (21) to 81 Nm (60 ft-lb).
Maintain this amount of torque while tightening the
nut (22) and two front screws (25).
9. Tighten the two rear screws (25).
10. Assemble in reverse order.
1/2" to 1-1/4" Roller Support
1. Disconnect the bender from the power source.
2. Remove support pivot pin (19). Remove roller
support (7).
3. Spray a motorcycle chain lubricant through the
3 mm (1/8") diameter hole in each roller. Rotate
each roller to distribute the lubricant.
4. Spray the pivot pin.
5. Wipe away any excess lubricant.
6. Replace the roller support and pivot pin.
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