TM 5-3820-233-35/1
16. Power-Take off Clutch Slips
20. Feeder Spillage
Probable Cause
Possible Remedy
Probable Cause
Possible Remedy
Replace clutch facing
Worn clutch facing
Worn wear strips
Adjust feeder (Operator's
(para 46)
Manual)
Clutch adjustment
Adjust clutch refer to
Operator's Manual
necessary
21. Conveyor Belt Running off Center
Possible Remedy
Possible Cause
17. Feeder Clutch Slips
Troughing roll assem-
Move one end of
Possible Remedy
Probable Cause
bly not positioned
troughing roll assem-
Worn driving plates
Adjust clutch (Operator's
correctly in frame
bly to change belt
friction surfaces
Manual)
travel to center on
Replace driving plates
troughing roll
assembly. Refer to
Operator's
18. Side and Pitman Bearings Overheat
Manual
Probable Cause
Possible Remedy
Spillage of material
Adjust flashing to
Excessive or insufficient
Refer to the Operator's
eliminate spillage
lubricant
Manual
Plant operating in
Level complete plant
Plant out of level
Level plant
unlevel position
(Operator's Manual)
Troughing and return
Free rolls or replace
Worn toggle plate
Replace toggle plate
roller not rotating
defective rolls if
(para 60)
necessary
Flywheels loose
Tighten flywheel
Head or tail pulley
Center pulley and
against the seal
moved
securely lock into
Bearing failure
Replace bearings
position with the
(para 59)
taper lock bushings
Insufficient radial
Place wedge between
clearance between
pitman and bearing
side bearing end cap
houaing and drive at
22. Conveyor Belt Slipping
and seal
base of side bearing
Probable Cause
Possible Remedy
housing until a 0.010
inch seal clearance is
Insufficient conveyor
Tighten conveyor belt.
obtained. Tighten the
belt tension
Refer to Operator's
housing to base
Manual
capsrews (para 59)
Drive pulley lagging
Replace lagging.
worn
Refer to Operator's
19. Excessive Jaw Wear
Manual
Troughing or return
Probable Cause
Free roll assemblies
Possible Remedy
roll assemblies not
or replace if necessary.
Stationary jaw loose
Tighten jaw (para 59)
rotating freely
Incorrect crusher
Adjust crusher discharge
discharge
opening (Operator's
Insufficient V-belt
Check drive and tighten
Manual)
opening
drive tension
V-belts if necessary
Section III. REMOVAL AND INSTALLATION OF MAJOR
COMPONENTS
23. General
a. Crusher-to-feeder countershaft drive belts.
The power unit, feeder, delivery conveyor,
b. F e e d e r c o u n t e r - s h a f t d r i v e g u a r d .
and jaw crusher should be removed for high
c. F l y w h e e l s , r i m s h e a v e , a n d p u l l e y .
level maintenance and overhaul. The removal
d. W a l k w a y r a i l i n g a b o v e c r u s h e r .
and installation of these components are dis-
e. C r u s h e r h o p p e r a n d w a l k w a y p l a t f o r m .
cussed in this section.
f . Crusher flywheel guards.
The power unit and feeder, along with those
g. Conveyor countershaft drive guard.
components listed below, must also be re-
moved for air transport.
h. Lower (engine) walkway railing.
