(3)
Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags:
(a) 11D31, HYDRAULIC PTU CONT
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A
757
MAINTENANCE MANUAL
LEFT MAIN
WHEEL WELL
SEE A
POWER TRANSFER
UNIT (REF)
FILTER MODULE FOR
THE TRANSFER UNIT
(PTU)
SEE B
ELECTRICAL
CONNECTOR AFT
OUTLET LINE
DIFFERENTIAL PRESSURE INDICATOR
SEE C
WASHER (3 LOCATIONS)
MOUNTING BOLT (3 LOCATIONS)
INDICATION CONTROL PRESSURE SWITCH
PRESSURE
SWITCH CHECK VALVE LEFT MAIN WHEEL WELL
SEE E A
INLET LINE
MOUNTING BRACKET
ELECTRICAL
CONNECTOR
FILTER
SEE D
FILTER MODULE
B
Filter Module Installation
Figure 401 (Sheet 1)
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757 MAINTENANCE MANUAL
FILTER MODULE
FILTER MODULE HOUSING
BACKUP RING
O-RING
O-RING
CHECK VALVE
Filter Module Installation
Figure 401 (Sheet 2)
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E.
F.
G.
A
757
MAINTENANCE MANUAL
S 864-005
(4) Remove the pressure from the left and right hydraulic systems and
the reservoirs (AMM 29-11-00/201).Remove the Filter Module
S 034-006
(1)
Disconnect the electrical connectors from the pressure switches on the filter module.
S 034-007
(2)
Disconnect the hydraulic lines from the filter module.
S 024-008
(3)
Remove the bolts and the washers which hold the filter module.
S 034-009
(4)
Remove the unions from the filter module.
S 034-010
(5)
Remove the O-rings from the unions.Remove the Filter Element
S 034-062
CAUTION: DO NOT PRESSURIZE THE HYDRAULIC SYSTEM AFTER YOU REMOVE THE
_______ FILTER ELEMENT CASE. THIS CAN CAUSE DAMAGE TO THE FILTER MODULE OR THE CHECK VALVE.
(1)
Remove the filter element case from the filter module.
S 024-012
(2)
Remove the filter element from the filter module.
S 034-013
(3)
Remove the O-rings and the backup rings from the filter element
case.Remove the Pressure Switches
S 034-014
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本文链接地址：757 AMM 飞机维护手册 液压 CHAPTER 29 - HYDRAULIC POWER 2(140)
