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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

STEERING TRUNNIONSTEERING TRUNNION ZERKZERK BMS 3-33
BMS 3-33 (1 LOCATION)
(1 LOCATION)
2429
FWD
STEERING ACTUATOR ZERK
STEERING COLLAR
ZERK

BMS 3-33
STEERING TRUNNION
(1 LOCATION)
SEE K SHT 10
BMS 3-33
2 (2 LOCATIONS)
STEERING MECHANISM 2 (RIGHT SIDE) 5 POINTS
STEERING TRUNNION
J
ZERK
BMS 3-33 STEERING
(1 LOCATION)
ACTUATOR
24
ZERK
BMS 3-33
(1 LOCATION) 2
FWD
STEERING TRUNNION
SEE K SHT 10

OUTER CYLINDER ZERK
STEERING COLLAR
ZERK

BMS 3-33
STEERING MECHANISM (4 LOCATIONS) (LEFT SIDE) 2
BMS 3-33
(2 LOCATIONS)
8 POINTS
2
J
MIL-G-23827 IS OPTIONAL TO BMS 3-33 9  APPLY GREASE ONLY IF ZERK FITTING IS PRESENT.
2
4
USE A MANUAL GREASE GUN OR RESTRICT THE
GREASE FLOW RATE TO 0.65 LB PER MINUTE MAXIMUM.

Lubrication of the Actuating Mechanisms and the Nose Landing Gear Figure 301 (Sheet 9)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 757 MAINTENANCE MANUAL
GLAND NUT
ZERK 
BMS 3-33 

(4 LOCATIONS)

STEERING TRUNNION

6 POINTS

K

ONE MORE LUBE FITTING IS ON THE OPPOSITE SIDE (NOT SHOWN). IF THERE ARE NO LUBE FITTINGS ON THE GLAND NUT, LUBRICATION IS NOT NECESSARY.
MIL-G-23827 IS OPTIONAL TO BMS 3-33
USE A MANUAL GREASE GUN OR RESTRICT THE GREASE FLOW RATE TO 0.65 LB PER MINUTE MAXIMUM.
Lubrication of the Actuating Mechanisms and the Nose Landing Gear
Figure 301 (Sheet 10)

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 ú  01  Page 313
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 757 MAINTENANCE MANUAL
INNER CYLINDER
ZERK 
BMS 3-33 

(1 LOCATION)

TOW FITTING
(VIEW IN THE FORWARD DIRECTION)

MIL-G-23827 IS OPTIONAL TO BMS 3-33 AIRPLANES WITH AFT TOW FITTING

AIRPLANES WITHOUT AFT TOW FITTING
Lubrication of the Actuating Mechanisms and the Nose Landing GearFigure 301 (Sheet 11)
A71833
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 NOSE GEAR DOORS AND ACTUATING MECHANISMS - SERVICING
____________________________________________________
 1.  General_______
 A.  This procedure contains the data necessary to lubricate the doors and the actuating mechanisms of the nose landing gear.
 TASK 12-21-13-603-001
 2.  Lubricate the Doors and the Actuating Mechanisms of the Nose Landing Gear_________________________________________________________________________
 A.  Consumable Materials
 (1)  
D00633 Grease - BMS 3-33 (Preferred)

 (2)  
D00013 Grease - MIL-G-23827
 (Optional to BMS 3-33)

 B.  References
 (1)  
32-00-15/201, Landing Gear Door Locks

 (2)  
32-00-20/201, Landing Gear Downlocks

 C.  Access
 (1)  Location Zones
 711 Nose Landing Gear (NLG)
 713/714 Forward NLG Door
 715/716 Aft NLG Door

 D.  Prepare to Lubricate the Doors and the Actuating Mechanisms
 S 493-002
 (1)  Make sure the downlocks are installed on the nose and main landing gear (Ref 32-00-20).
　
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