Yard-Man 503 - Manual (Page 11)

11
SECTION 7: MAINTAINING YOUR LAWN MOWER
General Recommendations
• Always observe safety rules when performing any
maintenance.
• The warranty on this lawn mower does not cover
items that have been subjected to operator abuse
or negligence. To receive full value from the
warranty, operator must maintain the lawn mower
as instructed in this manual.
• Changing of engine governed speed will void
engine warranty.
• Periodically check all fasteners and make sure
these are tight.
• 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.
• Follow the maintenance schedule under Customer
Responsibilities to get quality performance from
your lawn mower.
Lubrication
WARNING: Always stop engine and
disconnect spark plug wire before
cleaning, lubricating or doing any kind of
service work on the lawn mower.
Blade Control Handle: Lubricate the pivot points on
the blade control handle at least once a season with
light oil. The blade control must operate freely in both
directions. See Figure 13.
Wheels: Lubricate the wheels at least once a season
with light oil (or motor oil). If the wheels are removed for
any reason, lubricate the surface of the pivot arm and
inner surface of the wheel with light oil.
Chute Deflector or Mulching Baffle: Lubricate the
torsion spring and pivot point periodically with light oil to
prevent any rust or binding.
Engine: Follow the separate engine manual packed
with you unit for lubrication instructions.
Figure 13
Customer Responsibilities
MAINTENANCE
SCHEDULE
P
R
O
D
U
C
T
E
N
G
IN
E
SERVICE
DATES
A
fte
r
ea
ch
u
se
E
ve
ry
2
5
ho
ur
s
E
ve
ry
5
0
ho
ur
s
B
ef
or
e
st
or
ag
e
E
ve
ry
1
00
h
ou
rs
O
nc
e
a
se
as
on
Lubricate Wheels
Clean Deck
Blade Care
Change Oil
Clean Engine
Replace Air Filter
Check Spark Plug
Check Spark Arrester (if any)
Lubricate Blade Control
Check Oil
Lubricate
Lubricate