32-35-21
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A 
737-300/400/500MAINTENANCE MANUAL 
SEE C 1. MANUAL EXTENSION HANDLES 
CABLE B RNL(MNGEA) 
2. MANUAL EXTENSION 
CABLE A ACCESS DOOR 
(MNGEA) 
SEE  B  CABLE MNGEA  
SEE  A  
V-SLOT 
3. CONTROL DRUM 
A 
10. BRACKET  ASSEMBLY 
RIGGING PIN HOLE 
5. TORQUE TUBE 
9. RETURN SPRING 
6. BRACKET 
8. PRESSURE SEAL 
(NOT SHOWN) FWD INBD
7. TORQUE TUBE QUADRANT 
4. RIGGING PIN 
TORQUE TUBE AND BRACKET ASSEMBLY 
B 
Nose Gear Manual Extension System Cable Installation Figure 401 (Sheet 1) 
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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A
737-300/400/500MAINTENANCE MANUAL
13. MANUAL EXTENSION
CABLES A AND B
CABLE  NO.  LENGTH  FITTINGS  
REF  FUNCTION  REQ  (INCHES)  CABLE SIZE  1  2  
B A  MNGEA MNGEA  1 1  22.10 35.80  3/32 7x7 3/32 7x7  MS21260S3(LH) MS21260S3(RH)  BACT14A3 BACT14A3 
MATERIAL: CABLE PREFERRED - CARBON STEEL PER MIL-W-83420, TYPE I, COMPOSITION A OPTIONAL - CARBON STEEL PER MIL-W-1511 
NOTE:  DO NOT MIX TIN-ZINC (TZ) COVERED CABLES WITH OTHER TYPE CABLES ON THE SAME AIRPLANE BECAUSE TZ CABLES HAVE A DIFFERENT STRETCH RATE THAN OTHER CABLES. 
Nose Gear Manual Extension Release Mechanism Installation Figure 401 (Sheet 2)
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A 
737-300/400/500MAINTENANCE MANUAL
 TASK 32-35-21-404-011
 3.  Nose Landing Gear Manual Extension System Cables Installation (Fig. 401)_____________________________________________________________
 A. Special Tools and Equipment
 (1)  Rigging Pin -0.311 +0.000/-0.002 -inch diameter x 5.0 inches long, Type MS20392-4C
 NOTE: Rigging pin is F70207-69 or F70207-78
____
 B. Standard Tools and Equipment
 (1)  
Cable tensiometer
 C. 
Consumable Materials
 (1)  
Grease - MIL-G25760 (Ref 20-30-21)
 D. 
References
 (1)  
20-10-04/401, Air Seal of the Control Cables
 (2)  
20-10-91/401, Control Cables
 (3)  
32-35-00/501, Manual Extension System - Nose Landing Gear
 E. 
Procedure to Install the Cables of the Manual Extension System
 S 434-012
 (1)  
Install the system cables (Ref 20-10-91/401).
S 434-013
 (2)  
Put the rigging pin (4) through the torque tube pulley (7) and the bracket assembly (10).
S 434-014
 (3)  
Attach the cable MNGEA on the torque tube pulley (7).
 (a)  
Install the cotter pin.
 S 434-015
 (4)  
Attach the cable MNGEA on the control drum (3).
 (a)  
Install the cable retainer.
 S 434-016
 (5)  
Put the terminal end of the handle cable of the manual extension through the hole in the V-slot.
 (a)  
Attach the cable on the control drum (3) and install the cotter pin.