Electrical Equipment - Belarus 80.1 Series Operation And Service Manual

Belarus 80.1/80.2/82.1/82.2/82Р —Operation and Service Manual
Trouble, External Symptoms
Linkage would not rise or its lifting capacity
sharply drops. With one of the distributor han-
dles set to «Lift», the pump «squeals». As a
rule, oil is overheated.
Drop in linkage lifting capacity as oil is heated. It
restores as oil is cooled.
Draft-controlled mounted plough jumps up from,
or works deeper into, the soil with a slight move-
ment if the handle.
Excessive oscillations in the hydraulic system
when lowering the tool.
Low level of controlled voltage.
Alternator drive belt slipping.
Increased contact impedance between SB termi-
nals and wire clamps due to slackening or oxida-
tion.
Alternator faulty (no voltage on terminals "+" and
"Д").
Storage battery defective.
Storage Battery «Gasses» Excessively and Requires Frequent Refill with Distilled Water
High level of controlled voltage.
Storage battery defective.
Starter Would Not Switch ON and Fails to Crank the Diesel-Engine Crankshaft
One of cable lugs to the storage battery discon-
nected.
Excessive oxidation of wire lugs and storage bat-
tery terminals.
Diesel-engine start-up interlock operates or one of
its switches faulty.
Starting torque too low due to storage battery run-
down
Diesel-engine is not ready for start at a tempera-
O
ture below + 5 C
Starter faulty
10.4. HYDRAULIC LIFT LINKAGE SYSTEM
Draft sensor spring broken – replace the spring.
1. Broken or slacken spring – replace the spring.
2. Broken stop – change the stop.

10.5. ELECTRICAL EQUIPMENT

Storage Battery Low Charge Level
Replace the alternator voltage regulator.
Adjust tension of the alternator driving belt.
Dress the terminals, tighten and smear non-contact
parts with petrolatum. Tighten up the SB switch con-
nections and «frame» jumpers.
Dismantle the alternator and send it to workshop for
repair.
Replace the storage battery.
Replace the alternator voltage regulator.
Replace the storage battery.
Tighten the terminal clamp reliably on the storage
battery.
Dress storage battery terminals and wire lugs; smear
non-contact parts with petrolatum.
Shift the GB lever to extreme left-hand position or
replace the faulty switch.
Charge the storage battery, as required.
Prepare the diesel-engine for start-up.
Remove the starter and send it to repair shop.
Section 10. Common troubles and their remedies
Remedy
1. Oil level low in the tank; top up to the level re-
quired.
2. Air inleakage in the pump suction line: locate and
remove.
3. Distributor bypass valve sticky; wash the valve.
Wear-and-tear of the oil pump – replace the pump.
127
Table 14, continued