S 862-066-C00
(7)
If the rig pin cannot be inserted refer to cable rigging checks in AMM 76-11-00/501 for reverse thrust lever clearance.
S 482-018-C00
(8)
Connect the ohmmeter to the C and NO terminals on the switch; the meter must indicate an open ciruit.
S 712-019-C00
(9)
With the applicable forward thrust lever at the idle position, move the reverse thrust lever up and aft to 16 to 19 degrees reverse lever angle (RLA).
(a) Do a check that the switch closes (continuity between the C and NO terminals) in this range. 1) Use the adjustment nut (Fig. 203), if necessary, to adjust
the switch operation.
S 862-020-C00
(10) Move the lever to the stow position.
Reverse Thrust Lever Protractor
Figure 202
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE A
LEVER THRUST FORWARD
DETENT NO. 1 LEVER THRUST REVERSE
FWD
CONTROL STAND
GO AROUND
SWITCH HOUSING
REVERSE (S786 OR S787)
FORWARD THRUST
LEVER THRUST LEVER 0.002 INCH
(0.051 mm)
MINIMUM GAP
ACTUATOR SPRING
FWD REVERSER
CONTROL SWITCH
(S828 OR S829) ADJUSTMENT NUT
SEE B
FWD COVER INSIDE FACE OF THRUST LEVER
A
INSIDE FACE OF THRUST LEVER
B
Thrust Reverser Control Switch Adjustment Figure 203 (Sheet 1)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
FORWARD THRUST LEVER
REVERSER
SEEA THRUST LEVER
SEE B
FWD
FWD
NO. 1
CONTROL STAND REVERSE
FORWARD
DETENT
THRUSTTHRUST LEVERLEVER
INSIDE FACE OF THRUST LEVER
A
GO AROUND
SWITCH HOUSING
(S786 OR S787)
0.002 INCH
(0.051 mm) MINIMUM GAP
ACTUATOR
SPRING
ADJUSTMENT CONTROL SWITCH REVERSER
NUT (S828 OR S829)
FWD
B
Thrust Reverser Control Switch Adjustment
Figure 203 (Sheet 2)
F64539
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 722-021-C00
(11)
Do a check for an open circuit between the C and NO terminals, and continuity between the C and NC terminals.
S 862-022-C00
(12)
Move the lever to 19 degrees RLA.
S 722-023-C00
(13)
Do a check for continuity between the C and NO terminals.
S 862-024-C00
(14)
Move the lever into the No. 1 detent (Fig. 203).
S 722-025-C00
(15)
Do a check for the minimum clearance (Fig. 203).
(a) Turn the adjustment nut to get the minimum clearance.
S 862-026-C00
(16) Move the reverse thrust lever to the aft limit of travel (135 degrees RLA).
(a) Make sure that the continuity between the C and NO terminals is kept during the full range of travel.
S 862-027-C00
(17)
Move the lever from 135 degrees to 46 to 50 degrees RLA.
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