Control Surface Balancing Tool - Piper PA-44-180 SEMINOLE Maintenance Manual

SPECIAL TOOLS.
A399
B599
PARALLEL
SURFACE CHORD LINE
5 FT. EXTRUDED CHANNEL
MARK GRADUATIONS IN INCHES
H O R I Z O N TA L LY
A D J U S TA B L E
FOR SETTING
TOOL TO WIDTH
OF CONTROL
SURFACE
V E RT I C A L LY ADJUST A B L E
FOR SETTING
PARALLEL TO CHORD LINE
OF CONTROL SURFACE
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
90°
HOLDING FIXTURE
LEVEL SUPPORT
BUBBLE LEVEL
SET SCREW
VERTICALLY AND HORIZONTALLY
ADJUSTABLE TRAILING EDGE SUPPORT
BEAM
Figure 91-2. Control Surface Balancing Tool
4B11
3 LB. MOVABLE WEIGHT
WITH MARKED CENTERLINE
NUTS
WASHERS ADDED
AS REQUIRED TO
BALANCE
ITSELF
BEAM BALANCING VOLT (USED
F O R B A L A N C I N G T H E T O O L
ITSELF ONCE THE TRAILING
EDGE SUPPORT HAS BEEN SET
HINGE CENTERLINE
PLACED DIRECTLY OVER
HINGE LINE OF CONTROL
SURFACE
Revised: May 15, 1989
AND/OR
TO O L
9 1 - 11 - 0 0
Page 91-16