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Model 918–425, Ram Air Control Module
50
10 20 30
60 70 80 90
40
1/2" npt
Air Inlet
240
L/O VLV
250
200
250
20
260
200
270
280
290
300
310
320 200
330
300
310
250
350
360
400
TO REG #4
Fig. 28
50
310–534
100
120
110
40
130
160
150
REG #1
VLV #1
UP
REG #2
DOWN
REG #3
REG #4
320 340
340
320
370
380
TO
REG #3
TO
REG #2
Parts
120
130
140
510
AIR MOTOR
190
210 200
200
170
180
RAM
UP
RAM
DOWN
VLV #3
(FOLLOWER
BLOW-OFF)
FOLLOWER
BLOW-OFF
230
340
390
340
440
450
460
470
480
OPPOSITE
490
SIDE OF
500
PANEL
220
230
3:1
PRESIDENT
PUMP
410
420
430
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