SECTION 3.
TECHNICAL SPECIFICATION,
TOLERANCES AND ADJUSTMENT
TECHNICAL SERVICE MANUAL
SZD-54-2
„Perkoz”
page 3.6
Allstar PZL Glider Sp. z o.o.
Doc No. 542.4.02
Issue II
April 2014
Revision
corrected
3.5.8.
Adjustment of trimmer control system
Trimmer control system
–
Version 1
(Fig. 2
‒12.) consists of: 2 green trimmer
control levers (15) located at LH side cockpit board by front and rear seat, trimmer
locking cable (16), pushrod (17), 2 springs (21) with tighteners (20), trimmer locking
lever (18) with locking device (19).
Trimmer control system
–
Version 2
(Fig. 2
‒12.) consists of: 2 green trimmer
locking triggers (22) on both control sticks, trimmer locking cable (16), 2 springs (21)
with tighteners (20), trimmer locking lever (18) with locking device (19), pushrod (17)
with ball handles (15) for front and rear pilot.
Trimmer neutral position adjustment is done:
- at pushrod (17) end
- by tightener (20) regulation screw
Operation sequence in adjusting:
- dismount tailplane
-
set trimmer to „nose heavy” position. Force required to move control stick to
neutrum position should be 3,6
– 4,5 lbf.
-
set trimmer to „tail heavy” position. Force required to move control stick to
neutrum position should be 5,2
– 6,3 lbf.
3.5.9.
Adjustment of wheel brake
Wheel brake driving system is presented in Fig. 2
‒8. Cables (11) can be
adjusted on the ends at levers mounted to control sticks, or on the ends under rear
seat pan.
Brake shoes do not require any adjustment.
3.5.10.
Adjustment of rear seat pan
Adjustment of rear seat pan is done by placing its rear support in one of four
available positions and moving the seat pan forward or rearward at the same time
(Fig. 2
‒20.). In order to do so:
1. Unlock the seat pan by rotating knob (2) located in central part of backrest tube,
until bolts are slid into the tube.
2. Set the seat pan in appropriate position.
3. Lock the seat pan by rotating knob (2) until bolts are slid out of tube.