Bolens 117-670-300 - Manual (Page 5)

OPERATION 2. MoVe throttle control lever on handle to
position.
'FAST"
NOTE
For shipping purposes your mower is
set with the wheels in a low cutting
height position. For best results raise
the cutting position until it is deter­
mined which height is best for your
lawn. See adjustments.
1. Service engine with gas and oil. See engine manual
packed with lawn mower for complete instructions
tor the care and maintenance of engine. READ DI­
RECTIONS CAREFULLY.
2. When ready to start engine, place throttle control
lever in "START" position and start engine in ac­
cordance with instructions in engine manual. After
engine starts, move throttle control lever to desired
engine speed. The engine is stopped by placing
control lever in the "STOP" position.
3. Be sure that lawn is clear of stones, sticks, wire or
other objects which could damage lawn mower or
engine. For best results and to insure more even
grass
distribution, do not mow when lawn is ex­
cessively wet.
4. Check blade bolts for proper tightness.
ADJUSTMENTS
A
CAUTION
Do not at any time make any adjust­
ment to lawn mower without first stop­
ping
engine and disconnecting spark
plug wire.
CUTTING HEIGHT
An adjusting plate and thumb lever at each wheel po­
sition
provides cutting height adjustment. Each adjust­
ing plate has five holes. Height of cot will be changed
when the thumb lever is moved from one hole to an­
other. Simply depress thumb lever towards wheel and
move wheel and lever assemisly to desired position.
All wheels must be positioned in relative height of
cut positions.
THROTTLE
If adjustment becomes necessary, the throttle control
wire assembly can be reset as follows:
1. Loosen, but do not remove, screw securing throttle
control wire assembly at engine.
3. AAove lever, to which control wire is fastened at
engine, to full open position and retighten screw
to secure throttle control wire assembly.
LUBRICATION
IMPORTANT
Always stop engine and disconnect
spark plug wire before cleaning, lub­
ricating or doing any kind of work on
lawn mower.
Protective Shield — The pivot points on the protective
shield
should be lubricated periodically with light oil
to prevent any rust or binding.
Chute Deflector — The torsion spring and pivot point
should be lubricated periodically with light oil to pre­
vent any rust or binding. Deflector must work freely.
Wheels—Wheel bearings are of self-lubricating Forti-
flex. They require no lubrication. If your unit is pro­
vided
with optional ball bearing wheels, lubricate at
least once a season with light oil.
Throttle — Periodically lubricate throttle control lever
and throttle wire assembly with a few drops of light
oil (SAE No. 10 or 20) for ease of operation.
Engine — Follow engine manual
structions.
for lubrication in-
Change oil after first 5 hours-^ifoperation while en­
gine is warm. Thereafter, change oiT^every 25 hours of
operation
while engine is warm. Engine may be
drained through oil filler opening. Be sure to replace
drain plug and oil filler cap.
MAINTENANCE
CUTTING BLADE
The blade may easily be removed for grinding or
replacement as follows:
1. Remove bolt and lock washer holding blade and
blade adapter to engine crankshaft.
2. Remove blade and blade adapter from engine
crankshaft.
3. Remove two bolts, lock washers and nuts holding
blade to blade adapter (if necessary).