VacPak-It 186VMC16F, Руководство по обслуживанию

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Part Replacement Continued
3. Disconnect the wire ribbon that connects to the front
circuit board by pulling it straight out (Fig. 16)
4. Remove 3 Phillips head screws from the Front Circuit
Board (Fig. 17)
5. Installation is reverse of removal steps
Time Estimate: Approximately 20 minutes
Testing: Good = Continuity from screw post to
top post
Good = Visually inspect for no cracks
Bad = No continuity from screw post to
top post, replace
Bad = cracks found in housing, replace
Part: #186PPISTON
1. Follow pre-maintenance steps on page 10
2. Remove Phillips head screws from rear panel
Note: 11 screws on 186VMC16F, 8 screws
on 186VMC20F and 186VMC20FGF
3. Remove wire and ring terminal from stud post
on bottom of piston (Fig. 17)
4. Remove vacuum hose from side of piston
housing under vacuum chamber (Fig. 18)
5. Remove hex bolt from top of piston inside
vacuum chamber with a 13/16" socket (Fig. 19)
6. Cut sealing material from under side of vac-
uum chamber and push down on piston post,
inside vacuum chamber, to remove it (Fig. 20)
7. Installation is reverse of removal steps
Piston
Fig. 17
Fig. 17
Fig. 18
Fig. 19
Fig. 20
Screw post
Top post