Maintenance - Greenlee 756 Instruction Manual

Maintenance

Keep hands away from the blades
and sprocket.
The spring-loaded mechanism could
close unexpectedly, resulting in
personal injury. Disengage the
spring before servicing this tool.
General
• Keep grips clean and dry.
• Keep the blades sharp. If the cutting surfaces are
chipped or nicked, sharpen or replace the blades.
Lubricate the blades
1. Clamp the long handle into a vise.
2. Grip the short handle and open the cutter.
3. Apply a light film of B-2 Moly grease or an equiva-
lent over the blades with a small brush.
4. Close and open the cutter several times to spread
the lubricant.
Clean and lubricate the internal parts
1. Disassemble the cutter (refer to the disassembly
instructions in this manual).
2. Clean the parts with solvent.
3. Apply Mobilgrease Special 53030-3 or an equiva-
®
lent to each moving part.
4. Reassemble the tool.
Clean the cutter mechanism
Wear eye protection when using or
servicing this tool.
Failure to wear eye protection could
result in serious eye injury from
flying debris.
Use compressed air to blow dirt and foreign particles
out of the ratchet mechanism.
Greenlee Tools, Inc.
756 and 757 Ratchet Cable Cutters
Disengage the Spring
1. Clamp the long handle (31) into a vise with the short
handle (53) parallel to the floor and with the head
pointing away from you.
2. Remove the rubber grip (43).
3. Unhook the spring (39) from the pin (40) in the short
handle (53) (see Figure 1).
Disassembly
1. Clamp the long handle (31) into a vise with the short
handle (53) parallel to the floor and with the head
pointing away from you.
2. Remove the rubber grip (43).
3. Unhook the spring (39) from the pin (40) in the short
handle (53) (see Figure 1).
4. Loosen nut (20) from bolt (19) using 7/16" wrenches.
5. Remove bolt and snubber (16).
6. Remove tool from vise.
7. Unhook two closing springs (15).
8. Remove bolt (19) and nut (20) and snubber (16).
9. Remove cutterhead from handles using 9/16"
wrenches.
10. Remove right handle assembly, with the chain and
spring still attached, from the left handle.
11. Remove retaining ring (54) from sprocket pin (51).
12. Remove sprocket pin (51).
13. Remove 2 side plates (55), sprocket (56), washer
(57), pin (23), detent pawl (28), and spring (36).
14. Clean all parts thoroughly with solvent.
5
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
Figure 1