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OPERATING
BETTCHER
AIRSHIRZ
®
INSTRUCTIONS
INDUSTRIES, INC. Rev. September 24, 2016
Page 63
9.4.12
Drive Link Installation (Continued)
Hold the pin against the frame with a finger while installing flat head screw from other side of
frame. Hold the pin while tightening the flat head screw. Do not over tighten. Drive link should
rotate freely, but should have little or no side play.
Examine threads and barb of air fitting and replace it if damaged.
Install air fitting using 1/4 inch hex socket wrench. Tighten until fitting seats against frame
surface.
Do Not Over Tighten
.
Grasp tubing coming from power cylinder and push in fully onto barb of air fitting.
Connect air supply of AirShirz
®
and operate to verify the motion of power cylinder, drive unit, and
servo linkage.
Dribble some water over air fitting while operating to check for leaks. If leaks occur, remove
tubing and retighten or replace air fitting.
Disconnect the air line.
Install blade latch (See 9.4.4) and cover (see 9.4.2).
9.4.13
Power Cylinder Removal
Disconnect the air line.
Remove the front tube from the power cylinder. (See Section 9.4.21).
Disconnect strap at the snap on rear of frame.
Use a 5/16 inch open-end wrench to remove the rear fitting from the power cylinder. While
unscrewing the fitting, support the tubing with the other hand such that the fitting is not being
pulled crooked as this could damage the threads.
Push the power cylinder rod to about its mid stroke position so the clevis screw on the drive link is
accessible (see Figure #60). Remove the clevis screw. Turn the AirShirz
®
over and use a small
diameter rod or a paper clip to push the clevis pin out as shown.