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DUMP BODY (Con’t) | Up
TM-5-3805-264-14P Truck Dump Heavy Body M917A1 and M917A1 W/MCS (Material Control System) Manual | Next
HYDRAULIC SYSTEM |
TM 5-3805-264-14&P
1-16.
DUMP BODY (Con’t).
(2)
M917A1 w/MCS.
(a)
The MCS tailgate has four openings (gates) that are electro-pneumatically controlled
by a cab control unit or a hand-held remote control. Each gate can be opened and closed independently of the
other gates.
(b)
Compressed air, plumbed from the chassis’ air system and stored in an air reservoir
mounted on the MCS tailgate, opens and closes the gates using solenoid-controlled air cylinders.
(c)
Gate opening adjustments are made at each gate, using an adjustment tube with a
locking pin that can be moved to different holes in the tube. The lower the pin placement, the larger the gate open-
ing. The top pin placement locks the gate closed.
(d)
The remote control has a coiled cable that plugs into a receptacle on the left or right
side of the MCS tailgate. It is operated by a person walking alongside the dump body, while the operator inside the
cab is dumping the load. When plugged in, the remote control overrides the control unit inside the cab.
tom.
(e)
The MCS tailgate can also operate as a conventional tailgate, opening from the bot-
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