SUPPORT
LINK
TUBE (REF)CONE BOLT SUPPORT BLOCK
AFT SHOCKMOUNT, CONE BOLT SUPPORT
BLOCK, AND AFT MOUNT LINKS
BEAM
D1
(REF)
AFT MOUNT LINK
AFT SHOCKMOUNT
AFT MOUNT LINK
CONE BOLT SUPPORT BLOCK
1 LORD MANUFACTURING
AFT SHOCKMOUNT, CONE BOLT SUPPORT
COMPANY-OPTIONAL TO 2
BLOCK, AND AFT MOUNT LINKS
BARRY CONTROLS-2
D2
OPTIONAL TO 1
APU Mounts - Component Location (Details From Sht 1) Figure 102 (Sheet 2)
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MAINTENANCE MANUAL
APU FORWARD SUPPORT AND SHOCKMOUNT - REMOVAL/INSTALLATION
_________________________________________________________
1. General
_______
A. This procedure contains the tasks to remove and install the forward supports and the shockmounts.
B. The forward shockmounts connect to the mounting brackets on the sides of the APU load gearbox. There is a vertical, an axial, and a lateral (left side only) support connected between the shockmounts and the firewall. You can remove the supports or the shockmounts with the APU installed in the airplane. You must use the fishpole hoists to hold the APU when you disconnect the shockmount.
C. The forward supports and the shockmounts are on the forward side of the load gearbox. You can get access to the forward supports and the shockmounts through the APU access doors.
TASK 49-13-01-004-001
2. Forward Support Removal (Vertical, Axial or Lateral) (Fig. 401, Fig. 402)
____________________________________________________
A. Equipment
(1)
PF51-002-1 Hoist - Fishpole, Manual Powered (Quantity of 2) 06714 P. F. Industries Inc. 151 S. Michigan St., Seattle, WA 98108-3225 or
(2)
AP6108 Hoist - Fishpole, Advanced Chain-Driven (Quantity of 2) Morgan Aero Products 2719 Pacific Avenue, Everett, WA 98201
(3)
PME60B10005-1 Stand - APU (Yoke Assembly) or
(4)
2PME60B10005-1 Stand - APU (Yoke Assembly)
B.
Access
(1)
Location Zones
221 Control Cabin - Left
222 Control Cabin - Right
310 Fuselage - Station 2360 to Station 2792
(2)
Access Panels
317AL APU Access Door - Left
318AR APU Access Door - Right
C.
Procedure
S 864-002
(1)
Make sure the APU control switch on the P5 panel is OFF and attach a DO-NOT-OPERATE tag.
S 864-003
(2)
Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a)
P6 Main Power Supply Panel
1) 6K18 APU ALTN CONT
(b)
P83 Panel, E8 Aft Equipment Center
1) APU PRIMARY CONT
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747-400 MAINTENANCE MANUAL
SEE A
B
FORWARD FISHPOLE HOIST ATTACH POINT (LEFT SIDE)
HOIST
CABLE
QUICK RELEASE PIN MOUNT BRACKET
STAND ASSEMBLY YOKE
1
B
Fishpole Hoist Installation Figure 401
AIRPLANE
STRUCTURE FORWARD FISHPOLE HOIST ATTACH POINT (RIGHT SIDE)
1
HOIST
CABLE
A
MAKE SURE THE FISHPOLE HOIST KEY IS INSTALLED FROM THE FORWARD SIDE OF THE FORWARD FISHPOLE HOIST ATTACH POINTS.
F58279
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MAINTENANCE MANUAL
