DRAFT
TM 5-4210-249-13&P-2
0188
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TFFT03748
7.
Install cover (4) on bumper turret mount (5) with six screws (3), 12 washers (2), and six locknuts (1).
END OF TASK
BUMPER TURRET NOZZLE SPEED ADJUSTMENT
NOTE
Reducing speed too much may cause erratic or incorrect shift pattern operation.
Nozzle speed control is adjusted by using a small screwdriver and turning two needle
valves clockwise or counterclockwise in increments of 1/8 of a turn.
Both needle valves must be turned in same direction and distance. Failure to comply may
result in nozzle pattern sleeve drifting when pattern control rocker switch is released on
joystick.
To increase nozzle speed, turn both needle valves counterclockwise in increments of 1/8
of a turn.
To decrease nozzle speed, turn both needle valves clockwise in increments of 1/8 of a
turn.
Needle valve closest to nozzle discharge controls fog speed.
Needle valve closest to air cylinders controls straight stream speed.
Maintain air pressure in normal operating range (85 to 120 psi [586 to 827 kPa]) to ensure
accurate adjustment.
0188-4