2/3/2020
Page 34 of 78
Calder Brothers Corporation
Model: M415XT Maintainer
M415XT
Section G - Troubleshooting
PROBLEM
CAUSE
REMEDY
Excessive Hydraulic Fluid Temperature
Low hydraulic fluid level.
Hydraulic cooler air flow
obstructed.
Contaminated hydraulic fluid.
Hydraulic P.T.O valve engaged
without accessories attached.
Fill to proper level
Clean cooling fins.
Replace fluid - Refer to Shop Repair
guide.
Check position of handle.
Accessory Pump Noisy
Low hydraulic fluid level.
Suction hose/fittings leaking (pump
cavitations).
Fill to proper level.
Tighten connections, replace damaged
hose.
Hydraulic Cylinders Operating Slow or
Will Not Move
Low hydraulic fluid level.
Internal hydraulic cylinder leakage.
Load check casting plugs loose.
Accessory hydraulic pump worn
excessively.
Hydraulic control valves not fully
engaged.
Fill to proper level
Repair or replace.
Repair or replace.
Adjust.
Hydraulic Cylinders Leaking Down or
Will Not Hold Their Position
Cylinder leaking internally
Control valve leaking internally.
Repair or replace.
Repair or replace.
Hydraulic Cylinders/Control Valves
Leaking Externally
Seals/O-Rings worn.
Replace.
Summary of Contents for M415XT MAINTAINER
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