FILTERFWD (REF)
PRESSURE FILTER MODULE FOR THE PTU FILTER MODULE FOR THE CASE DRAIN OF THE PTU DE
Hydraulic Power Transfer Unit (PTU) System - Component Location (Details from Sht 1) Figure 102 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
FAULT ISOLATION/MAINT MANUAL
RIGHT WHEEL WELL SEE F
FWD
GSEE VALVE, V10007 PTU CONTROL
F RIGHT WHEEL WELL
(REF) INDICATOR POSITION
MOTOR (REF)
VALVE
(REF)
PTU CONTROL VALVE, V10007
G
Hydraulic Power Transfer Unit (PTU) System - Component Location
Figure 102 (Sheet 3)
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A
757 MAINTENANCE MANUAL
HYDRAULIC POWER TRANSFER UNIT (PTU) - ADJUSTMENT/TEST
_____________________________________________________
1. General_______
A. This procedure has these tasks:
(1)
Operational test of the power transfer unit (PTU) system.
(2)
System test of the power transfer unit (PTU) system.
TASK 29-22-00-715-001
2. Operational Test - Power Transfer Unit System (PTU) (Fig. 501)___________________________________________________
A. General
(1) This test contains the procedures which follow:
(a)
Operational Test of the PTU, the PTU Control Valve, and the Auto Control and Indicating System
(b)
Operational Test of the Manual Ground Control System for the PTU
B. Equipment
(1)
Hydraulic Service Cart, 0 to 3000 psi, with
Hydraulic Fluid, Fire Resistant, BMS 3-11
(2)
Stop Watch, Commercially Available
C. References
(1)
AMM 06-41-00/201, Fuselage Access Doors and Panels
(2)
AMM 24-22-00/201, Electrical Power
(3)
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(4)
AMM 32-00-15/201, Main Gear Door Locks
(5)
AMM 32-00-20/201, Landing Gear Downlocks
(6)
AMM 32-09-02/201, Air/Ground Relays
D. Access
(1)
Location Zones
119 Main Equipment Center
143/144 MLG Wheel Well
211/212 Control Cabin
730/740 Main Landing Gear and Doors
(2)
Access Panels
119BL Main Equipment Center
E. Prepare for the Operational Test
S 865-002
(1)
Supply electrical Power (AMM 24-22-00/201).
S 495-003
(2)
Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
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