D. Procedure
S 863-002
(1)
Remove hydraulic power from the rudder system (AMM 27-21-00/201).
S 643-003
(2)
Lubricate the hinges (Fig. 301).
NOTE: In case of the dust cap dislocation, do the temporary repair
____ of the dust seal (AMM 27-09-83/801).
S 643-004
(3)
Lubricate the connection of the power control unit to the rudder (Fig. 301).
S 643-005
(4)
Do these steps to lubricate the spring slider shaft of the feel and centering unit (Fig 302). Use BMS 3-33 or MIL-G-23827 grease.
(a) Push one of the rudder pedals fully forward to move the spring slider shaft for access.
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A 737-300/400/500MAINTENANCE MANUAL
(b) Apply a thin layer of grease to the part of the spring slider shaft that you can get to.
NOTE:____ Put sufficient grease on the spring slider shaft for you to see the grease.
(c) (d) Put the rudder pedals back to the neutral position.Apply grease to the part of the spring slider shaft that you can get to through the spring cartridge.
NOTE:____ Put sufficient grease on the spring slider shaft for you to see the grease.
(e) Move the rudder pedals through 10 cycles to apply the grease equally.
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A 737-300/400/500MAINTENANCE MANUAL
RUDDER HINGE ZERK
BMS 3-33 (1 LOCATION ON EACH HINGE) 1 ROD ASSEMBLY FLUSH
BMS 3-33 (1 LOCATION ON EACH HINGE) RUDDER HINGE ZERK 1 BMS 3-33 (REMOVE GAP COVER FOR ACCESS) (1 LOCATION)
POWER CONTROL UNIT
SEE A
7 POINTS CONTROL POWER UNIT
INBD
FWD
POWER CONTROL UNIT 1 POINT
A
1 CAUTION:_______ A RATE MORE THAN 0.25 LITER PER MINUTE. WHEN YOU USE A HAND-OPERATED GREASE GUN, ON SEALED BEARINGS, DO NOT APPLY GREASE WITH A PRESSURE MORE THAN 1000 PSI AND AT DO NOT USE AN EXTENSION HANDLE TO GET MORE FORCE. SEALED BEARINGS CAN BE DAMAGED BY TOO MUCH PRESSURE.
Rudder Lubrication Figure 301
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A
737-300/400/500MAINTENANCE MANUAL
FEEL AND CENTERING UNIT
SEE A
CENTERING UNIT FEEL AND
SHAFT SPRING SLIDER
BMS 3-33
FEEL AND CENTERING UNIT A 1 POINT
Rudder Lubrication Figure 302
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737-300/400/500MAINTENANCE MANUAL
ELEVATOR CONTROL SYSTEM LUBRICATION - SERVICING_______________________________________________
1. General_______
A. There is one task in this procedure. The task is for the lubrication of the elevator control system. The procedure has these parts: (1) The lubrication of the elevator hinge bearings. (2) The lubrication of the balance panel hinges (3) The lubrication of the elevator tab hinges.
TASK 12-22-31-603-012
2. ú Elevator Control System Lubrication___________________________________ A. Standard Tools and Equipment (1) Flush gun (grease gun)(2) Lock Eqiupment, Elevator PCU Input Rod - C27066 B. Consumable Materials
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