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32
Hale MIV System Level SCR Table
–
CONTINUED
SYMPTOM
CAUSE
REMEDY
MIV-E valve is difficult to operate
(tight through complete operating
range) Refer to Table 6 for maxi-
mum operating torque.
MIV-E gearbox tight or binding
due to improperly installed
shims, washers and needle
bearings
Remove six screws that hold
gearbox cover and position
indicator on gearbox then
remove indicator and cover. In-
spect each end of worm gear look-
ing for material being extruded
from shim, washer, bearing pack
or look for loose metal in grease. If
any of the above is found order
gearbox/gearmotor assembly (P/N
538-00075-000).
Valve is difficult to operate
(Sticks, Jams or Binds. Some-
times intermittently)
Little or no grease on valve
shaft
Check valve shaft, there are
two bearing points in the gearbox
adapter for the shaft. Lubricate
shaft and bore with Sunoco® Ul-
tra® Prestige® 2EP grease or
equal.
Valve is difficult to operate
(Sticks, Jams or Binds.
Sometimes intermittently)
(Cont’d)
Forked end of valve shaft
digging into gearbox adapter
bore.
Check valve shaft forked end.
edges of slot should not be
sharp, remove sharp edges with
file or emery cloth.
Remove chips or burrs from gear-
box adapter bore.
MIV-E Valve has water in
gearbox adapter housing
Water seeps between indicator
cover and segment gear.
Install O-ring P/N 040-00036-000
between indicator cover and top of
segment gear. Make sure adhe-
sive side of gasket is toward gear.
MIV-E motor operates but
valve does not open or close
(valve works manually)
Gearmotor output shaft failure
caused by improper setting of
the mechanical stops.
Replace gearmotor assembly
with P/N 200-1251-50-0 and
adjust gearbox switches.
Refer to Instructions for “Testing
MIV-E Valves for Proper Opera-
tion”.
Gearmotor output shaft failure
caused by non-concentric shaft
bore.
If shaft bore is non-concentric or-
der gearbox/gearmotor assembly
(P/N 538-00075-000)
Gearmotor output shaft failure
caused by overloading of gear-
motor/gearhead.
Ensure valve works properly, is lu-
bricated and free of obstructions.
Replace gearmotor assembly with
P/N 200-1251-50-0 and adjust
gearbox switches.
Rocker switch lights do not se-
quence properly, flicker or light
incorrectly and/or motor does not
operate properly
No 12 VDC Power
Energize battery master switch
Check wiring connections
Light burn out (No effect on mo-
tor operation)
Replace panel placard with P/N
513-0273-52-0
Defective location switch
Check location switch operation. If
switch is defective replace using
switch replacement kit (P/N 546-
00087-000)
Defective MIV Control
Содержание HALE MIV 2.0
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