Adjustments, Maintenance – MTD 249-660-000 User Manual
Page 8
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The bag may be emptied using the large zipper as
shown in figure 12. Be certain the zipper is cl:)sed
when operating the unit.
CARBURETOR ADJUSTMENT
FIGURE 12.
ADJUSTMENTS
A
CAUTION
Do not at any time make any adjust
ment to the unit without first stopping
engine and disconnecting spark plug
wire.
HEIGHT ADJUSTMENT
An adjusting plate and thumb lever at both 1ront
wheels
provide
height
adjustment
for the
vacuum.
See figure 13. Each adjusting plate has nine posit ons.
Height will be changed when the thumb levar is
moved from one position to another. Simply de Dress
thumb lever towards wheel and move wheel and lever
assembly to desired position. Both wheels mu;t be
placed in the same relative position. Lower the ront
of the unit to obtain more suction.
A
t
WARNING i
If any adjustments are made to the
engine
while
the
engine
is
running
(e.g. carburetor), disengage all clutch
es. Keep clear of all moving parts. Be
careful of heated surfaces and muffler.
If carburetor needs adjustment to start or for oper-
atidn, see "Carburetor Adjustment" section of engine
manual.
MAINTENANCE
A
WARNING
Disconnect spark plug wire and ground
it against the engine before performing
any repairs or maintenance.
BAG
Under normal usage the bag is subject to wear, ar.
should
be
checked
periodically.
Be
sure
any
re
placement
complies
with
the
manufacturer's
recom
mendation.
Wash
bag
periodically
with
water.
Allow to dry thoroughly in the shade. Do not use
heat.
ENGINE
Refer
to
engine
manual
for
proper
maintenance
procedures. Follow instructions carefully.
OFF-SEASON STORAGE
The following steps should be taken to prepare the
vacuum for storage.
1. Clean the engine and the entire unit thoroughly.
2.
Refer to engine manual for correct engine storage
instructions.
3.
Store in a clean, dry area.
N O T E
When
storing
any
type
of
power
equipment in an unventilated or metal
storage shed, care should be taken to
rust
proof
the
equipment.
Using
a
light oil or silicone, coat the equip
ment especially all moving parts.