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seal.
c) Leakage occurs at junction face; joint on oil
inlet or return pipe is loose.
d) Belt is fixed tightly causing abrasion on main
bearing shell.
c) Check or replace packing plate; tighten joint bolts
for oil inlet and return.
d) Check and readjust the belt tensity.
6. Air compressor is overheated.
a) Relief valve or unloading valve is not in
service causing air compressor to work
constantly.
b) Air brake system leaks seriously causing air
compressor to work constantly.
c) Moving parts have insufficient oil supply, and
cylinder scoring occurs.
a) Check relief valve components when inlet
unloading and clear away or replace the failure
parts with seizure; check unloading valve when
outlet unloading and clean, repair or replace the
failure parts with blockage or seizure.
b) Check and replace the brake system
components and the failure parts in pipeline.
c) Check, repair or replace the failure parts.
