V I B R A T I N G SCREEN ASSEMBLY REPAIR INSTRUCTIONS
Section I. VIBRATING SCREEN ASSEMBLY MOTOR
1 8 8 . Vibrating Screen Assembly Motor
The vibrating screen assembly is driven by
The maintenance and repair instructions for
the vibrating screen assembly motor are identi-
m a g n e t i c starter. The motor and starter oper-
cal to those of the reciprocating feeder motor.
a t e on 208-220/440 volts. For tabulated data,
R e f e r to paragraphs 118 through 120.
r e f e r to TM 5-3820-205-10/1.
Section II. VIBRATING MECHANISM ASSEMBLY
191. Vibrating Mechanism Assembly
Cleaning, Inspection, and Repair
The vibrating mechanism is enclosed in a
a. Cleaning. Clean all parts with an ap-
t u b u l a r spacer. I t is mounted on roller bear-
proved cleaning solvent and dry thoroughly.
i n g s and sealed to prevent rust from entering
b. Inspection and Repair.
t h e bearing chamber. Screen vibration is pro-
duced by the action of a counterweight on the
(1) Inspect the retaining rings for cracks,
breaks, or other damage. Repair or
shaft. The vibrating screen can be operated
r e p l a c e as necessary.
in flow or counterflow rotation. Higher output
is obtained by flow rotation, however, counter-
(2) I n s p e c t t h e p i p e s p a c e r f o r d e n t s ,
b u c k l e s , wear, or other damage. Re-
f l o w increases the efficiency of the screening
p a i r or replace as necessary.
operation. Flow or counterflow is obtained by
( 3 ) I n s p e c t the bearings for wear and re-
changing the stator leads of either phase of the
place as necessary.
( 4 ) I n s p e c t all other parts and hardware.
Replace as necessary.
190. Vibrating Mechanism Assembly
R e m o v a l and Disassembly
192. Vibrating Mechanism Assembly
R e a s s e m b l y and Installation
a. Remove the vibrating screen assembly
( p a r . 34).
vibrating mechanism in the reverse order.
b. Remove the screen support bars and rub-
b. Install the screen support bars and rubber
ber deflectors and the balance wheel assembly
deflectors and the balance wheel assembly (TM
c. Install the vibrating screen
vibrating mechanism assembly.