Actuator Cylinder View - Piper Navajo Chieftain PA-31-350 Service Manual

Figure 7-10. Actuator Cylinder
k. To adjust the uplock hook ( I I) use the following procedure, and put the airplane on jacks.
1. Disconnect the uplock operating rod or cable (14) from the hook.
2. Retract the gear. being careful to keep the rod or cable clear of moving parts.
3
As the uplock roller approaches the hook. operate the hook by hand until the roller is engaged.
4. Determine that the actuator cylinder (115) and attaching bolt are outboard in the slots of the
attachment bracket (19).
NOTE
This may also be obtained with the actuator (15) attached to the
retraction arm (26) and pressure maintained on the actuator.
NAVAJO CHIEFTAIN SERVICE MANUAL
208
1. CYLINDER
2.STROKE
STOP
3. KEY, ROD END LOCK
4. KEY, STROKE STOP LOCK
5. ROD END
6. LOCKNUT, ROD END
7. LOCKNUT,
STROKE STOP
5.
Pull the uplock rod or cable (14) out to its full length and adjust the rod or cable end until the
attaching bolt can be freely inserted. Remove the bolt and turn the rod end out one-half turn and install bolt
and spacer bushing. Tighten the locknut on the ends.
6. If applicable, reinstall the dust boot (69) after the uplock rod is completely adjusted.
1.
Adjust the gear actuator rod end (58) until the uplock roller clears inner hook surface when the
piston is bottomed.
NOTE
Bottom the piston with hydraulic pressure. It may require several
adjustments because of deflection in the linkage.
Revised: 3/5/84
LANDING GEAR AND BRAKE SYSTEM
2E17