Figure 4-11. Control Surface Balance Tool
3 LB MOVABLE WEIGHT WITH
MARKED CENTER LINE
NUTS AND/OR
WASHERS ADDED
AS REQUIRED TO
BALANCE TOOL
ITSELF
5 FT. EXTRUDED CHANNEL
HORIZONTALLY ADJUSTABLE
FOR SETTING TOOL TO WIDTH
OF CONTROL SURFACE
MARK GRADUATIONS IN INCHES
BEAM BALANCING BOLT
(USED FOR BALANCING
THE TOOL ITSELF ONCE
THE TRAILING EDGE
SUPPORT BEEN SET)
BUBBLE LEVEL
SET SCREW
VERTICALLY AND HORIZONTALLY
ADJUSTABLE TRAILING EDGE SUPPORT
VERTICALLY
ADJUSTABLE FOR
SETTING BEAM
PARALLEL TO CORD LINE
OF CONTROL SURFACE
NOTE
REFER TO PARAGRAPH 4 - 57 FOR
INSTRUCTIONS ON USING TOOL
HINGE CENTERLINE
PLACED DIRECTLY
OVER HINGE LINE
OF CONTROL
HOLDING FIXTURE
LEVEL SUPPORT
SURFACE CHORD LINE
90
C368
PIPER AIRCRAFT
PA-28-161 CADET
AIRPLANE MAINTENANCE MANUAL
STRUCTURES
1F11
Issued: FEBRUARY. 28, 1989