J&M PRO 450 - Manual (Page 21)

21
TROUBLESHOOTING
Problems Solutions
Locking brakes
a. Replace any weak or broken springs in brakes
b. Replace any excessively worn or contaminated linings
Grabbing brakes
a. Replace any excessively worn or contaminated linings
Surging brakes
a. Trailer is not adequately grounded
Auger is not moving - Hydraulic pump is not producing
sufficient pressure or volume to auger motor.
a. Check for pinched or leaking hydraulic line
b. Allow hydraulic oil to warm up
c. Increase engine R.P.M.
d. Charge battery or plug in to tow vehicle
e. Hydraulic fluid level low
f. Hydraulic filter clogged
g. Check for proper oil viscosity
h. Check hydraulic output pressure.
Auger is not moving - Obstructed auger
a. Make sure auger is not clogged
Auger has insufficient output speed or R.P.M. - Hydraulic
pump is not producing sufficient pressure or volume to
auger motor.
a. Check for pinched or leaking hydraulic lines.
b. Allow hydraulic oil to warm up
c. Increase engine R.P.M.
d. Hydraulic fluid level low
e. Hydraulic filter clogged
f. Check for proper oil viscosity
g. Repair or replace worn out pump.
Auger has insufficient output speed or R.P.M.
a. Check telescoping spout and conveyor for a clog.
b. Remove material from clean out door.
Auger has insufficient output speed or R.P.M. - Air in
hydraulic system.
a. Bleed air out of hydraulic system and fill reservoir
(See section 2.6).
b. Look for leaking or cracked fittings.
Auger has insufficient output speed or R.P.M. - Leak in mo-
tor, valve body, or bypass valves.
a. Replace or repair motor, valve body, or bypass valves.
b. Check for proper oil viscosity.