Do not over reach.
Position base of mast over top of hole..
Place mast base on ground slowly.
Do not jack machine off ground.
Do not reposition boom or mast whilst
resting on ground.
Check engine R.P.M mode setting.
Dust hood up.
Flush air to collar position and dust collector
Rotation only feed bit to just above ground.
Move drill lever to "AUTO" position.
Depress button / Flick feed lever forward
and stop several times till bit travels without deflec-
If not straight start new hole
With bit straight hold lever forward and but-
ton depressed to complete collaring to required
Use water if required but dust collector must be off
(if machine is so equipped).
Move feed up and down the collar with air
off to solidify wall of hole.