S 965-103

 (17)
 Disconnect the electrical connector plug for the limit switch from the simulator test box and connect it to the airplane electrical connector receptacle.

 S 085-104

 (18)
 Remove the simulator cam ring from the PDU wheel well.

 S 425-105

 (19)
 Install the PDU in the floor (Ref 25-57-01/401).

 TASK 25-57-00-705-106
 4.  System Test - Main Deck Cargo Drive___________________________________
 A. General
 (1)  The system test for the main deck cargo drive system is the same as the operational test except for the addition of checks for tire pressure and tire elevation above the floor mounted PDU support plate and the elevation of the drive roller above the tray mounted PDU.
 B. Standard Tools and Equipment
 (1)  Voltmeter
 C. Access
 (1)  Location Zone
 210 Main Deck

 D. References
 (1)  24-22-00/201, Manual Control
 E. Procedure - System Test
 S 865-107
 (1)  
Supply electrical power (Ref 24-22-00/201).

 (2)  
Do this task: "Operational Check - Main Deck Cargo Drive System".

 S 715-108
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PDU SUPPORT PLATE  ASSEMBLY DRIVE WHEEL B  B 
GEAR SEGMENT 
PDU SUPPORT FITTING  A  A 
CONNECTOR ELECTRICAL  A B LIMIT SWITCH SEE (2 LOCATIONS) 
ACTUATOR STEERING 
ELECTRICALLY STEERABLE PDU 

Steerable PDU Limit Switch Adjustment
Figure 503 (Sheet 1)

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FLOOR PANEL (REF)

PDU SUPPORT FITTING
Steerable PDU Limit Switch Adjustment
Figure 503 (Sheet 2)

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Steerable PDU Limit Switch Adjustment
Figure 503 (Sheet 3)

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KNOB (2 LOCATIONS)

SIMULATOR TEST BOX (EXAMPLE) (5TE65B63076)
FOR PDU 23R AND PDU 24

FWD
Steerable PDU Limit Switch Adjustment
Figure 503 (Sheet 4)

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 (3)  S 785-460Make sure the tire pressure on all of the floor mounted PDU drive wheels is 125 to 130 psig.
 NOTE:____ Although you can get satisfactory propulsive force if the tire pressure falls as low as 100 psig, there must be full tire pressure (125 to 130 psig) before you check the drive wheel height.
 (4)  S 225-459Make sure the elevation of each floor mounted PDU drive wheel above the PDU support plate is 2.87-2.93 inches.
　
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