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_______ DO NOT LOOSEN OR REMOVE CASTELLATED NUT IMMEDIATELY AFTER LUBRICATION. IF YOU DO, IT
CAUTION: WILL MOVE THE SEAL PLATES IN AN OUTWARD DIRECTION.
ON UNSEALED BEARINGS, LUBRICATE THE BEARING UNTIL THE LUBRICANT FLOWS FREELY AROUND THE EDGES OF THE END PLATE.
APPLY A LARGE QUANTITY OF GREASE TO ALL WEAR SURFACES OF THE FLAP TRACKS, FOREFLAP TRACKS, AFTFLAP TRACKS, AND SEQUENCE CARRIAGE TRACKS.
USE A NEEDLE NOSE GREASE GUN.
LUBRICATION FITTINGS ARE NOT INSTALLED ON ALL AIRPLANES. AIRPLANES WITHOUT LUBRICATION FITTINGS

HAVE SELF-LUBRICATED ROLLERS.
ONE MORE LUBE POINT IS ON THE OPPOSITE SIDE (NOT SHOWN).

Inboard Trailing Edge Flap Lubrication
Figure 303 (Sheet 7)

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A

737-300/400/500MAINTENANCE MANUAL
8
7 6
TRANSMISSION 
BALLSCREW 
(EXAMPLE) 
SEE  A  4 
3  5 
2 
1 
BLEED RESERVOIR 
AT UPPER PORT 

BALLSCREW NUT RESERVOIR
FWD MIL-L-7870
(1 LOCATION) FILL RESERVIOR AT THE LOWER PORT
1
TRANSMISSION BALLSCREW EXAMPLE NO. 1 THRU 8 1 POINT
A
1 REMOVE THE INBOARD FLAP INBOARD FAIRING TO SERVICE THE INBOARD FLAP INBOARD BALLSCREW (AMM 27-51-32-/401). EXTEND THE FLAPS TO THE 2-UNIT POSITION TO SERVICE THE INBOARD FLAP OUTBOARD BALLSCREW. EXTEND THE FLAPS TO THE 40-UNIT POSITION TO SERVICE THE OUTBOARD FLAP BALLSCREWS. BLEED RESERVOIR AT UPPER PORT ON BEAVER BALLSCREWS. YOU DO NOT NEED TO BLEED THOMSON SAGINAW OR UMBRA CUSCINETTI BALLSCREWS.
Trailing Edge Flap Ballscrew Lubrication
Figure 304

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L62383
A

737-300/400/500MAINTENANCE MANUAL
8
7 6
4
TRANSMISSION
5
3
BALLSCREW
(EXAMPLE)

2
SEE A

1
BALLSCREW
MIL-L-7870 (1 LOCATION) 1
BALLSCREW
MIL-L-7870 (1 LOCATION) FWD 1
TRANSMISSION BALLSCREW EXAMPLE NO. 1 THRU 8 2 POINTS
A
1 APPLY TO THE TOP THREE AND BOTTOM FOUR TURNS OF THE BALLSCREW.
Trailing Edge Flap Ballscrew Thread Lubrication Figure 305
L62769
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A
737-300/400/500MAINTENANCE MANUAL
 SPOILER CONTROL SYSTEM LUBRICATION - SERVICING
______________________________________________
 1.  General_______
 A.  There are two tasks in this procedure. There is a task to lubricate the spoiler mixer. There is also a task to lubricate the spoiler actuators.
 TASK 12-22-61-603-001
 2.  Spoiler Mixer Lubrication_________________________
 A.  Consumable Materials
 (1)  
D00633 Grease BMS 3-33 (Recommended)

 (2)  
D00013 Grease MIL-G-23827 (Alternate)

 B.  Access
 (1)  Location Zone
 216, 217 Main Wheel Well

 C.  Procedure
 S 643-002
 (1)  Lubricate the rollers in the spoiler mixer (Fig. 301):
 (a)  
Open the covers on the spoiler mixer to get access to the rollers.

 (b)  
Lubricate the rollers in the spoiler mixer.

 (c)  
Close the covers on the spoiler mixer.

 S 643-003
 (2) Lubricate the rod end on the input arm for the ratio changer.
 TASK 12-22-61-603-004
 3.  Spoiler Actuator Lubrication____________________________
 A.  Consumable Materials
 (1)  
D00633 Grease BMS 3-33 (Recommended)
　
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