---88---
I. Checks and adjustments
I 2. Electrical system
I 2.1. Checking and maintenance of
battery
A3565---130
--- Check the charge of the battery with an acid tester. Min.
1.23.
--- Check fan belt tension.
--- Keep the battery clean. It can be washed with lukewarm
water after removal from the tractor (always disconnect
the negative lead first).
--- Also clean the pole studs, the cable terminals and the
battery retainer thoroughly. Wash off oxidized spots with
water.
--- Wipe the outside of the battery, and coat the pole studs
and the cable terminals with petroleum jelly.
--- Refit the battery (always connect the positive lead first).
WARNING:
Avoid sparking or naked flames near the
battery. The battery gives off hydrogen gas
which is highly explosive. The battery
electrolyte is corrosive.
I 2.2. Alternator
69---91
The tractor has a negative---grounded alternator which
can easily be damaged if an incorrect connection is made
in the electrical system. For example, connection of the
battery with wrong polarity can burn out the alternator or
rectifier. The electrical charging circuit must not be
broken when the engine is running.
I 2.3. Safety precautions for the electrical
system
--- Always connect the battery with the correct polarity.
--- Disconnect the negative lead of the battery first and
connect it last.
---Never brake the charging circuit while the engine is
running.
--- Disconnect the battery negative lead before removing
the alternator from the engine.
--- Arrange enough ventilation to prevent the build---up of
explosive gases in and around the battery.
CAUTION: The battery leads (negative first)
and the alternator wiring must be
disconnected before arc welding is carried
out on the tractor or an implement which is
attached to it.
Never run the engine with the alternator disconnected.
Do not connect any additional electrical equipment, as
this may damage components of the existing electrical
system.
I 2.3.1. Fuses
65---92,4
4321 5 4321 5 4321 54321 5 4321 54321 5
The fuse box is placed under the instrument panel. It is
divided into four parts. The fuse rating is as follows: 5A
(six), 10A (three), 15A (six), 20 A (three) and 25 A (two). In
the component list the fuses are numbered from left to
right.
Fuses must not be replaced with ones of a higher
rating, as this may cause damage to the electrical
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