J&M 750-14 - Manual (Page 12)

12
TROUBLE SHOOTING
MAKE SURE THAT ALL POWER IS SHUT OFF BEFORE SERVICING THE GRAIN CART. MAINTENANCE
AND REPAIR SERVICE WORK TO BE PERFORMED BY QUALIFIED SERVICEMEN ONLY.
Trouble...
Auger will not return to down
position or move from stow position
Slip Clutch not working properly
Hanger Bushing Assembly at top
of lower flighting is hot
Excessive Vibration
Grain flow stoppage
Auger tube breaking away from
grain cart at hinge or ram in
hydraulic cylinder is bent
Possible Cause ...
Dirt in restricter
Faulty Check Valve
Upper flighting and lower flighting
locked together
Pressure plates (lining) corroded
together
Top of hanger bushing assembly is
rubbing against the drive dog
Auger flighting or shaft is bent
Drive shaft is bent
Bolt sheared in drive dog
Bolt sheared in drive dog
Slip clutch not working properly
PTO key sheared
Auger is extended in upright
position while traveling in field
Possible Remedy ...
Remove restricter fittings from out-
side hydraulic cylinder and clean
out dirt
Repair or Replace Valve
Bearing on top of upper flighting
needs adjusting. When auger is in
engaged position, there must be a
1/8” gap between bottom of top bear-
ing and top of upper tube assembly
(SEE ADJUSTING THE UPPER
FLIGHTING)
Loosen bolts around slip clutch,
remove dirt and corrosion, and re-
tighten bolts to proper tension
Adjust position of hanger bushing
assembly
Remove lower flighting assembly
and place a shim between spline
and gearbox
Straighten or replace auger flighting
Replace or straighten drive shaft
Replace bolt in drive dog. Engage
upper and lower flighting at a slow
rate of speed. (Drive dog and lugs
are being engaged at too fast a rate
of speed)
Upper and lower flighting are disen-
gaged before auger comes to a
complete stop. Replace bolt in drive
dog. Never engage or disengage
upper and lower flighting until au-
ger comes to a complete stop
Inspect clutch linings and replace
if worn
Replace key and tighten set screw
Lower auger to stow position after
unloading