Cooper Tools Quackenbush 158QGDAV Service Manual download pdf (Page 5)

Eye protection must be worn when disassembling tool or when air line is turned on.

A self relieving valve in close proximity to the repair station to bleed off air is recommended.

DRILL HEAD DISASSEMBLY

Turn off and bleed air line. Disconnect tool from air line.

1. Clamp tool in soft jawed vise and remove spindle guard with strap wrench and nose piece with appropriate wrench (left hand threads).

2. Remove front stop collar 617962, by loosening stop collar set screw 617785, with 5/64" hex wrench. Connect air and turn on tool. Start

feed cycle by pushing down retract lever. Spindle will feed out. Turn off and bleed off air line. Disconnect tool from air line.

SERVICE INSTRUCTIONS

WARNING

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Cooper Tools Quackenbush 158QGDAV Service Manual Page 5