Shibaura TF516MH-AB, Owner'S Manual

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31
5. Troubleshooting
Symptom Cause Remedy
Run
n
in
g
m
a
lfu
n
ct
io
n
Uns
m
oo
th
r
o
ta
tio
n
Governor
system
anomaly
1.
Governor maladjusted
2.
Governor actuating part worn
3.
Fly weight caulked poorly
4.
Governor arm tightened poorly
5.
Governor spring tension poor
6.
Governor lever link hole is worn or
there is too much play
1.
Adjust
2.
Replace
3.
Correct or replace
4.
Readjust and
retighten
5.
Replace
6.
Replace or correct
Cooling
system
anomaly
1.
Insufficient cooling air
1.
Be attend to
ventilation
2. Pump area
Symptom Cause Remedy
W
a
te
r s
u
ct
io
n
im
p
ro
p
e
r
V
a
cu
u
m
n
o
t o
b
ta
in
ed
Pump proper
is abnormal
1.
Air is sucked because suction pipe
is not tightened properly
2.
Air is sucked from top end of suction
pipe
3.
Drain cock is left open
4.
Mechanical seal is faulty
5.
Water discharge valve is clogged
with contaminants or its sealing is
faulty
6.
Casing rubber packing is faulty
7.
Casing is not tightened properly
1.
Tighten securely
2.
Plunge completely
in water
3.
Close securely
4.
Replace
5.
Eliminate
contaminants or
replace seal
6.
Replace
7.
Tighten securely
V
a
cu
u
m
p
um
p
a
b
n
o
rm
a
l Dose not
rotate
1.
Vacuum pump is broken
2.
Locked by foreign matter or frozen
inside
3.
V belt slipping or broken
1.
Replace
2.
Eliminate or thaw
3.
Replace
Rotates
1.
Vacuum pipe clogged or not
tightened properly
2.
Vacuum pump worn
3.
Clogged strainer
1.
Clean or retighten
2.
Repair
3.
Clean