Section H. Possible malfunctions and remedies
Belarus – 90/92 Operating manual
114
Continuation of table H-1
MALFUNCTION, SYMPTOM
REMEDY
ELECTRICAL EQUIPMENT
Storage battery has low charge degree
Low level of voltage being regulated.
Slippage of drive belt of generator.
High contact resistance between storage
battery terminals and wiring tips due to
loosening and oxidation.
Faulty storage battery.
Replace generator voltage regulator.
Adjust tension of drive belt.
Dress connection terminals, tighten and grease
non-contact elements with technical vaseline.
Tighten fastening of “SB” switch and “ground”
junction.
Replace the battery.
SB "boils"
and requires frequent topping up of distilled water
High level of voltage being regulated.
Faulty SB.
Replace generator voltage regulator.
Replace
Starter is not actuated and engine crankshaft doesn’t turn through
One of cable terminals which goes to the storage
battery is disconnected.
Strong oxidation of cable terminals and terminals of
storage battery.
Actuated locking mechanism of starting of diesel or
switch is fault.
Small starting torque of starter because of discharging
of storage battery.
Fault starter.
Tighten surely the terminals of SB.
Dress battery and cable terminals, oil non-
contact elements with technical vaseline.
Place the lever of gearbox in extreme left position and
replace the switch.
Charge SB.
Dismount starter and send it to the workshop.
Generator doesn’t develop full power
Slippage of driving belt of generator.
Fault generator.
Adjust.
Dismount generator and send it to the workshop.
Generator noise
Slippage or excessive tension of fan belt.
Wear of bearings.
Adjust.
Dismount generator and send it to the workshop.
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