737 AMM 飞机维护手册 舱门 DOORS(95)

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F.  Tighten nuts (7) to 900-1200 pound-inches.
NOTE:  Two washers may be used between nuts and bellcrank bushings, if required, to ensure torque is applied to bushing and not to bolt shoulder.
G.  Connect outboard end of bellcrank assembly (1) to link assembly (3) with attaching bolt, nut and washers (2).
H.  Tighten nut (2) to 900-1200 pound-inches.
NOTE:  Two washers may be used between nut and link bushing if required, to ensure torque is applied to bushing and not to bolt shoulder.
I.  Position lift actuator piston rod end (14) on bellcrank and install spacers, attaching bolt, nut and washers (13).
NOTE:  Length of lift actuator rod as measured from center of rod bearing to center of inboard actuator bearing should be 23.72 +0.06/-0.06 inches for nominal canopy position. If further adjustment is required, see Main Cargo Door Lift Actuator, Adjustment/Test. 
J.  Tighten nut to 900-1200 pound-inches.
NOTE:  Two washers may be used between nut and bushing, if required, to ensure torque is applied to bushing and not to bolt shoulder.
511 
Nov 1/73  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  52-32-41 Page 403 

K.  Grease all lift actuator grease fittings after installation and before operation of cargo door (Ref Chapter 12, Main Cargo Door Lubrication).
NOTE: Wipe all excess grease from exposed areas to prevent contamination of cabin lining.
L.  Test main cargo door (Ref 52-32-0, Adjustment/Test).
M.  Install aft curved ceiling panels (Ref 52-32-81 and Chapter 25, Ceiling Lining).
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MAIN CARGO DOOR LIFT ACTUATOR LINKAGE - INSPECTION/CHECK
1.  General
A.  The data consists of illustrations and wear limits charts. No procedure is given in this section for gaining access to permit inspection. For this information, refer to Main Cargo Door Lift Actuator Linkage - Removal/Installation.
2.  Main Cargo Door Lift Actuator Linkage Wear Limits

501  Main Cargo Door Lift Actuator Linkage Wear Limits 
Nov 01/73  Figure 601 (Sheet 1)  52-32-41 
Page 601 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

Main Cargo Door Lift Actuator Linkage Wear Limits  501 
52-32-41  Figure 601 (Sheet 2)  Nov 01/73 
Page 602 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

501  Main Cargo Door Lift Actuator Linkage Wear Limits 
Nov 01/73  Figure 601 (Sheet 3)  52-32-41 
Page 603 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

Main Cargo Door Lift Actuator Linkage Wear Limits  501 
52-32-41  Figure 601 (Sheet 4)  Nov 01/73 
Page 604 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

REPLACE OR REPLATE SHOULDER BOLT. CHROMEPLATE 0.005 MAX THICKNESS ALLOWED FOR PLATING
REPLACE OR REPLATE CLAMP-UP BUSHING. CHROMEPLATE 0.005 MAX THICKNESS ALLOWED FOR PLATING
APPLY SOLID FILM LUBRICANT BMS 3-8 PER BAC 5811, METHOD 3 PLATING PERMITTED PRIOR TO LUBRICATION
 REPLACE BUSHING

501  Main Cargo Door Lift Actuator Linkage Wear Limits 
Nov 01/73  Figure 601 (Sheet 5)  52-32-41 
Page 605 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

MAIN CARGO DOOR HANDPUMP - REMOVAL/INSTALLATION
1. General
A.  A container will be necessary to catch fluid from disconnected hydraulic lines. Should any fluid spill on the airplane, decontaminate. Refer to Chapter 12, Cleaning and Washing. The main cargo door should be closed and locked.
2.  Equipment and Materials
A.  Skydrol Lubricant MCS 352 - Monsanto Chemical Co., St. Louis, Mo.
B.  Suitable container to catch hydraulic fluid.
3.  Remove Hand pump (See figure 401.)
A.  Open main cargo door circuit breaker on load control center P6.
B.  Disconnect supply and pressure hydraulic lines.
C.  Cap hydraulic lines.
D.  Remove mounting nuts, washers and bolts from handpump.
E.  Remove handpump.
4.  Install Handpump (See figure 401.)
A.  If new handpump is being installed, remove reducer and O-ring from supply port of old handpump. Remove check valve and O-ring from pressure port of old pump.
B.  Lubricate threads of reducer, check valve and new O-rings wit h Skydrol lubricant.
　
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