ADC ML-190 - Manual (Page 8)

8 American Dryer Corporation 450431 - 3
Idler Shaft Assembly
The idler shaft is located on the left side of the machine and
is just above the blower motor. The idler shaft assembly
consists of one 11-inch (27.94 cm) drive wheel and two pillow
block bearings.
Drive Shaft
The drive shaft is located on the right side and is above the
drive motor. The drive shaft consists of one 11-inch (27.94
cm) drive wheel, one pulley, and two pillow block bearings.
The purpose of the drive shaft is to drive the tumbler.
Speed Reducing Shaft
The speed reducing shaft is located on the right side and is
above the drive motor. The idler assembly consists of two
idler pulleys. The idler’s main purpose is to reduce the
speed and increase torque provided to the tumbler.
Tumbler Shaft Support
The tumbler shaft support is located in the rear,
approximately at the center of the dryer. The arrangement
consists of a tumbler shaft support bracket, two high impact
wheels, tumbler adjustment plate, Teflon
® discs, and a
rotational sensor assembly.
Rotational Sensor Assembly
The rotational sensor assembly is located in the rear of the
dryer. It consists of a magnet and rotational sensor switch,
which is mounted to the bearing cap. The magnet is
screwed to the shaft.
The magnetic rotational sensor switch senses the rotation of
the tumbler.
Tumbler
The tumbler consists of four ribs and four perforated panels,
along with a front and back, which are welded together as an
assembly. The tumbler also consists of a trunnion, which
supports the tumbler in the rear.