Specifications

3
Make sure that the bearing hole of the pulley,keyway size are in conformace with the PTO
shaft.Othewise the accident will result.Correctly tight the PTO shaft bolt.Do reselect the
appropriate diameter pulley,if the engine continually exhaust black smoke during the running.
Be sure the pulley tension is appropriate.If the belt is too tight,hard starting will result,
further more,the belt will worn quickly and the PTO shaft will be bent,so the accident
will result.
Specified V-belt quantity:
The torsion of the pulley:Press the central part of the pulley surface.Every 100mm of the
pulley,deflection is about 1.6mm.(For example:the clearance of the pulley is 500mm,the
deflection will be 8mm.)
If you have any question about the as-
sembling of the engine and the connec-
tion to the load,contact with your agent.
Model
AHD170
AHD178
AHD186
Belt Model x Quantity,
A type x 2
B type x 3
B type x 3
4.ENGINE USAGE
The first 20hrs are the break-in period of the engine,the operator must obey to following items:
Warm up the engine 5 minutes after the initial starting.
Run the engine at low speed and zero load before the engine becomes warm.Do not run
the engine at high speed and zero load.
Do not run the engine with overload,
Recommend to run the engine at 3600r/min with 50% load in break-in period.
Replace the engine oil on time.
Replace the engine oil while the engine is warm
after 20-hours-running,the old engine oil will be
drained out completely.(Please see 8.1 Replace
the Engine Oil)
Selection and Usage of the fuel oil
Please use the light diesel most applicable for the performance of the engine.
4
5
6
replace engine oil
every 100hr in future
about 20hr
starting
about 20hr
4-1 Selection and Usage of the Fuel oil
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