Ⅶ
. OPERATION
GENERAL OPERATION
The machine is best suited to the compaction of bituminous and granular materials e.g. granular soils,
gravels and sands or mixtures of both. Cohesive soils such as silt and clay are best compacted using the
impact force produced by a vibrating rammer.
Where possible the site should be graded and leveled before commencing compaction.
Correct moisture content in soil is vital to proper compaction.Water acts as a lubricant to help slide soil
particles together. Too little moisture means inadequate compaction; too much moisture leaves water-filled
voids that weaken the soil’s load bearing ability.
Use unleaded grade petrol and ensure that the fuel is free from contamination.
The vibratory motion provides a self propelling action. Position the handle at the opposite end of the
machine to the vibrator.
Start the motor using the recoil starter. ( If the motor is fitted with an on/off switch this must first be
turned to ON before starting. )
For more information of starting and correct operating procedures of the motor, refer to the motor
operation manual supplied with the unit.
Increase the motor sped to the maximum setting using the hand throttle lever, before commencing
compacting.
The machine should be controlled by grasping the handle with both hands and applying restraint to
control the for ward notion. Forward or backward motion has problem, adjust the red handle or nut s (item
21, 22 in components list) Steer the machine by moving the handle sideways to the right or left.
ALWAYS maintain good footing so that you do not slip and loose control when starting or operating the
machine.
7.1 PRIOR TO OPERATION
1-1. Make sure that all dirt, nut, etc., are thoroughly removed from the unit prior to operation. Special effort
should be given to the button face of the vibrating plate and those areas adjacent to the cooling air inlet
of engine, carburetor, and air cleaner.
1-2. Check all bolts and screws for tightness and make sure all bolts and screws are securely tightened.
Loose bolts and screws may cause damage to the unit.
1-3. Check the V-belt for tightness. The normal slack should be approximately 10-15 mm (1/2’’) when the
belts are forcibly depressed in the middle position between the two sheaves.
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