143. Precautions
a. Never neglect the necessary lubrication procedures (para. 145a).
b. Never operate the drill with air pressures higher than 100 psi.
c. Always turn off drill before laying it down.
d. Never adjust or assemble auger bit into the wood chuck when drill is in operation.
e. Always detach air hose from drill when stopping operations for any length of time.
f. Always secure sleeves and pants legs before operating the wood borer.
144. Operation
a. Fill the oil reservoir with oil (par. 145a). Also, pour a liberal amount of oil into the throttle cap at the end of the
throttle handle.
b. Blow out the air hose and connect it to the air connection.
c. Operate drill at slow speed to insure even distribution of oil to all internal working parts.
d. Tighten the shank of the auger bit securely into the wood bit chuck. Always use properly sharpened auger bits for
best drilling results.
145. Servicing
a. Lubrication. The drill must be well lubricated at all times. The oil reservoir, located in the upper end of the motor,
must be filled before placing the drill in operation. Inspect oil level at least every four hours of operation, and replenish oil
supply if necessary. Remove the oil fill plug and fill the oil reservoir. Two grease nipples are supplied for application of
grease to vital internal points of lubrication. Apply grease sparingly through each nipple weekly. Use engine oil OE, and
grease, GAA for general lubrication.
b. Replacing Wood Chuck.
(1) Unscrew the retainer from the spindle by turning it in a counterclockwise direction.
(2) If the wood chuck bit has become jammed in the spindle socket, insert a rod through the slotted opening in
the
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