Ransomes MT503, Safety, Operation & Maintenance Manual/Parts List

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8 MAINTENANCE AND LUBRICATION
8.4 ENGINE ALTERNATOR BELT ________________________________________
Check and adjust the alternator belt
The alternator belt tension is adjusted to prevent the stress on the alternator bearings and to prevent movement
on the alternator pulley. Use the procedure shown below to check the belt tension at the center of the belt
between crank shaft and alternator pulleys.
Alternator belt
1. Loosen the alternator bolt (A) and the pivot bolt below the alternator.
2. Move the alternator to tighten or loosen the belt. A deflection of 7 to 9 mm
is needed at the center (B) with a load 10Kg (98N/22lbs) for a new belt.
A deflection of 8 - 10mm is needed for a used belt.
3. Tighten the bolts.
8.5 ENGINE COOLANT _________________________________________________
Check coolant level each day. The radiator must be full and the recovery bottle must be at the cold mark.
Drain and fill the cooling system each year. Empty and clean the recovery bottle. Mix clean water with antifreeze
for the coldest ambient temperature. Read and follow the instructions on the antifreeze container and the
engine manual.
Keep the radiator, engine oil cooler and hydraulic oil cooler air passages clean. Use Low Pressure compressed
air to clean the fins. It is not recommended to use water to clean radiator.
WARNING
The engine fan could start up unexpectedly.
WARNING
To prevent injury from the hot engine coolant or steam, never remove the radiator cap with the engine in
operation. Stop the engine and wait until the radiator is cool. When radiator is cool, use caution to remove
the radiator cap.
CAUTION
Do not put cold coolant mixture into a hot radiator.
Do not operate the engine without a correct coolant mixture. Install the radiator cap correctly.
CAUTION
Stop engine and remove the starter key before pressure washing.
Do not use a pressure washer near the instrument panel or engine radiator to prevent damage.
When using Pressurized Water or Air, ensure to wear appropriate P.P.E
A
B
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