Adjustment Of Main Landing Gear 3E2 - Piper PA-31-350 Maintenance Manual

PIPER AIRCRAFT
T-1020
MAINTENANCE MANUAL
8. The downlock cable or rod may be installed by bolting the sliding end of the rod or cable to the
downlock hook and the other end to the upper drag link arm, at the same time attaching the landing gear
actuating cylinder.
- NOTE -
If downlock cable is used, insure the anti-rotation clip is installed at
the upper drag link arm as shown in Sketch B of Figure 32-2.
9. Lubricate the landing gear assembly. (Refer to Lubrication, Chapter 12.)
10. Check the main gear adjustment, operation and alignment.
ADJUSTMENT OF MAIN LANDING GEAR. (Refer to Figure 32-2.)
1. With the airplane on jacks and the gear extended, disconnect the inboard and outboard gear door
operating rods and keep the doors in the open position.
2. Disconnect emergency actuator cylinder and inboard release cable. Locate them clear of the primary
gear extension components.
3. Disconnect the downlock operating rod or cable from the downlock hook.
4. The through center adjustment of the side brace links is accomplished as follows:
A. Maintain the gear in the downlocked position with both stop surfaces of the side brace links
touching.
B. Ascertain that the linkage is 0.063 to 0.156 of an inch through center.
C. If one side of the stop surfaces does not touch, it can be filed to obtain the desired through
travel.
D. If filing brings the through travel beyond the 0. 156 inch tolerance then a link or links must be
replaced.
-NOTE
-
A fabricated tool may be constructed to check through center travel
of the side brace link assembly while the links are installed. (Refer
to Chapter 95.)
5. Use the fabricated tool in the following procedure:
A. The gear is down and locked with no hydraulic pressure on the system.
- NOTE -
The airplane may be either on or off jacks.
B. Remove the cotter pins that safety the nuts that secure both upper side brace links to their
attachment plates.
- NOTE -
On the right gear only, remove the pin at the nut that secures the
lower link to the gear housing. Do not remove the nuts.
32-12-04
Page 32-12
3E2
Revised: July 3, 1984
3E2