22
Rev. 1/23
GB784SH INSTALLATION TOOL S/N: 1008 AND ABOVE
PLEASE CONTACT GAGE BILT FOR ALL OTHER SERIAL NUMBERS.
FIGURE A
The shift piston should be checked to ensure that the shift stroke is complete.
1.
Connect the tool to a clean dry air source of 90 psi
-
100 psi. (6.2
-
6.9 bar) Max. Remove nut.
2.
Install large unthreaded end of stroke setting gage (784159) over threads on head piston until it seats on pistons shoulder, gage
point #2 must line up with front of tool as shown in figure A.
3.
Depress and hold actuator assembly
-
air (704130). The piston should shift gage in forward position exposing stroke setting gage
point #3 in front of tool head as shown in figure B. Gage point #3 should be flush (Fig. B) to
.062” (1.57
mm) past the end of the
tool (Fig. C).
4.
If tool fails to meet the above check, it should be overhauled.
SHIFT PISTON CHECK:
FIGURE B
FIGURE C