MTD Yard-Man 203 - Manual (Page 10)

10
Maintenance
Engine
Refer to the separate engine manual for all engine
maintenance instructions.
• Check engine oil level before each use as
instructed in the separate engine manual packed
with your unit. Read and follow instructions
carefully.
• Clean air cleaner every 25 hours under normal
conditions or once a season. Clean every few hours
under extremely dusty conditions. To service the air
cleaner, refer to the separate engine manual
packed with your unit.
• The spark plug should be cleaned and the gap
reset once a season. Check engine manual for
correct plug type and gap specifications.
Removing The Flail Screen
If the discharge area becomes clogged, remove the flail
screen and clean area as follows:
• Stop the engine and make certain the chipper
shredder vacuum has come to a complete stop.
• Disconnect spark plug wire from spark plug and
ground against the engine.
• Remove the vacuum bag from the unit.
• Remove the four self-tapping screws from the
bottom of the discharge chute, and the hex bolt, flat
washer and hex nut from the top. Remove the
discharge chute assembly. See Figure 10.
• Remove the two hex bolts and hex nuts which
extend through the impeller housing. Lift the flail
screen from the inside the housing. See Figure 10.
• Clean the screen by scraping or washing with water
and reinstall the screen.
NOTE: Be certain to reassemble the flail screen with
the curved side down.
Figure 10
• Reattach the discharge chute assembly with the
hardware previously removed and connect the bag
to unit.
Customer Responsibilities
MAINTENANCE
SCHEDULE
P
R
O
D
U
C
T
E
N
G
IN
E
SERVICE
DATES
B
ef
or
e
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
Lubricate Caster Wheels
Check Chipper Blades
Change Oil
Clean Engine
Check Air Filter
Check Spark Plug
Lubricate Adjustment Levers
Check Oil
Discharge
Chute
Hex Bolt
Flat Washer
Hex Nut
Self-Tapping
Screws
Flail Screen
Hex Bolts
Hex Nuts