Cub Cadet 521E - Manual (Page 10)

10
If additional adjustment is required, follow steps below.
• Remove the belt cover by removing five hex screws
that hold it in place. For location of the belt cover,
see Figure 16.
• There are three adjustment holes provided in the
idler bracket assembly. For location of these holes,
see Figure 15.
Figure 15
• To adjust, move the extension spring on the end of
the clutch cable to the next higher adjustment
position on the idler bracket assembly. Reassemble
belt cover.
Carburetor
WARNING: If any adjustments need to be
made to the engine while the engine is running
(e.g. carburetor), keep clear of all moving
parts. Be careful of muffler, engine and other
surrounding heated surfaces.
• Refer to the separate engine manual, packed with
your unit, for carburetor adjustment information.
SECTION 6: MAINTAINING YOUR SNOW THROWER
General Recommendations
• Always observe safety rules when performing any
maintenance.
• The warranty on this snow thrower does not cover
items that have been subjected to operator abuse
or negligence. To receive full value from the
warranty, operator must maintain the snow thrower
as instructed in this manual.
• Changing of engine governed speed will void
engine warranty.
• Some adjustments will have to be made
periodically to maintain your unit properly. All
adjustments in the Making Adjustments section of
this manual should be checked at least once each
season.
• Periodically check all fasteners and make sure
these are tight
• Follow the maintenance schedule given below to
get quality performance from your snow thrower for
a long time.
Auger
Pulley
Idler
Bracket
Spring on
End of Clutch
Cable
High Position Middle Position
Low Position
Customer Responsibilities
MAINTENANCE SCHEDULE
P
R
O
D
U
C
T
E
N
G
IN
E
SERVICE DATES
B
ef
o
re
e
ac
h
u
se
A
ft
er
e
ac
h
us
e
E
ve
ry
2
5
ho
u
rs
B
ef
or
e
st
or
ag
e
O
nc
e
a
se
a
so
n
Lubricate pivot points
Clean snow thrower
Check shave plate adjustment
Check belt
Clean engine
Check spark plug