3-29
RETRACTABLE
SHEAVE
THRU DECK
SHEAVE
INDICATOR LIGHT
CIRCUIT SWITCH
(OFF-ON)
RED
AMBER
GREEN
PUSHBUTTON
STATION
INDICATOR
BOX
MOTOR
CONTROLLER
TO POWER
SUPPLY
GREEN LIGHT INDICATES
READY CONDITION
ARRESTING GEAR OFFICER'S SHEAVES
STATUS-UP INDICATOR LIGHT
NOTE: SEE FIGURE 1-3 FOR
ELECTRICAL EQUIPMENT
WHICH SERVES AIRCRAFT
RECOVERY EQUIPMENT.
ABEf0328
Figure 3-28.—Retractable sheave installation.
5
7
9
15
10
13
12
11
17
18
19
6
25
22
23
21
20
14
DRIVE
SLEEVE
BUSHING
8
16
ABEf0329
1. Geared limit switch
2. Motor
3. Housing
4. Sleeve
5. Lower bevel gear
6. Pinion
7. Clutch fork spring
8. Clutch bevel gear
9. Tripping plate washer
10. Worm gear
11. Handwheel
12. Wormshaft
13. Torque spring
14. Declutch lever
15. Worm
16. Torque limit switch
Figure 3-29.—Retractable sheave operating unit.
