409-2908
21
of 32
Rev A
Complete step 9 before connecting tool to factory air.
9. Refer to Paragraph 8.3 and follow general reassembly procedure.
8.5. Push Rod Replacement
1. Disconnect tool from factory air.
2. Remove four screws (Item 85) holding top cover (Item 51) to tool. Slide front of top cover to right from under
pin (Item 39) in lever linkage (Item 38) to release top cover assembly from tool. See Figure 32.
3. Use small screwdriver or scribe to pry up rear of push rod (Item 79) from its drive pin and remove push rod.
If necessary, saddle spring (Item 83) can now be replaced or removed for use on replacement push rod.
4. Ensure that correct saddle spring is mounted on replacement push rod and replace push rod on drive pin in
tool.
5. Replace top cover assembly and tighten the four holding screws. Check wire funnel operation before
connecting tool to factory air supply.
6. Check operation of tool to determine if hold-down adjustment is required (Paragraph 8.7).
8.6. Clearing Jammed Tool
When clips jam on rear area of clip guide anvil, push rod may be worn or broken, insulation strippings or clip
particles may be jamming tool mechanism, or operator may be failing to hold trigger depressed for required one-
second cycle time. Regardless of cause, tool should be disassembled in order to check and replace worn or
broken parts, where necessary, and to clean clip and insulation particles from tool. Proceed as follows:
1. Disconnect tool from factory air supply.
2. Perform steps (2) through (4) of general disassembly procedure (Paragraph 8.2).
With mandrel removed, replace but do not tighten mandrel holding screw (Item 27).
3. Perform steps (2) through (4) of pneumatic disassembly procedure (Paragraph 8.4).
4. Remove clip guide anvil holding screw (Item 117) and carefully lift clip guide anvil out of tool.
5. Carefully remove jammed clips from clip guide anvil. See Figure 29.
6. Inspect clip guide anvil and mandrel to be certain they have not been damaged by removal of jammed clips.
Replace damaged parts, as required.
7. Check for worn or damaged push rod (Item 79) and/or saddle spring (Item 83). If worn or broken, push rod
and/or saddle spring must be replaced (Paragraph 8.5).
8. Use an air jet to clean clip and insulation particles from tool.
Be sure to use eye protection, as required by safety regulations, when using air jet for tool cleaning.
9. Carefully place clip guide anvil into tool, align hole with screw hole, and replace and tighten holding screw.
10. In reverse order, perform steps (2) through (4) of pneumatic assembly procedure (Paragraph 8.4) to
reassemble top components of tool.
11. Refer to Paragraph 8.3 and perform general reassembly procedure.
NOTE
i
NOTE
i
DANGER
STOP
