Maintenance - Greenlee 855 Service Manual

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
Lubrication and Tension
Chain
Adjustment
Roller Supports Cleaning and Lubrication
Commutator
Replacement
Brushes
* More often if the bender is used in dusty or corrosive environments
Greenlee / A Textron Company
Chain Lubrication and Tension Adjustment
1. Disconnect the bender from the power source.
2. Refer to the "1-1/2" to 2" Side Exploded View."
3. Refer to the "Main Exploded View." Remove the
4. Spray a motorcycle chain lubricant on the inside
5. Check the amount of slack halfway between the
6. Remove 11 screws (23) and the motor guard (5).
7. Loosen the two motor mounting screws (25) on the
8. Torque the eccentric locator (21) to 81 Nm (60 ft-lb).
9. Tighten the two rear screws (25).
Maintenance Interval
10. Assemble in reverse order.
Every 6 months*
Every 6 months*
When drive unit 1/2" to 1-1/4" Roller Support
performance diminishes
1. Disconnect the bender from the power source.
noticeably
2. Remove the support pivot pin (19). Remove the
3. Spray a motorcycle chain lubricant through the
4. Spray the pivot pin.
5. Wipe away any excess lubricant.
6. Replace the roller support and pivot pin.
8
855 Smart Bender
Remove the 1-1/2" to 2" shoe (refer to "Changing
Shoes" in this section of the manual).
screws (23) and front chain guard assembly (4).
of the chain between the sprockets while pressing
UNLOAD. Lubricate the entire length of the chain.
sprockets. If the chain slack is :
• More than 25 mm (1"), proceed to step 6.
• Less than 25 mm (1"), proceed to step 10.
front, the two on the back, and the nut (22).
Maintain this amount of torque while tightening the
nut (22) and two front screws (25).
roller support (7).
3 mm (1/8") diameter hole in each roller. Rotate
each roller to distribute the lubricant.
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