MTD 390 Series Tiller User Manual


 
13
5
Maintaining
Your Tiller
WARNING
Do not move the gear
selection handle
with the wheels or
tines engaged. Make
certain the unit is
stopped completely
before changing the
gear selection. A
partial engagement
may be necessary
when engaging tines.
Do not push down
on handles so that
wheels are lifted off
the ground while
using the tine drive,
or tiller could move
backward and cause
personal injury.
Never attempt
to make any
adjustments
while engine is
running, except
where specified in
operator’s manual.
Belt Replacement
Forward Drive Belt
1. Remove reverse drive belt as instructed in the
previous section.
2. Remove the return spring. See Figure 5–3.
3. Remove idler pulley bolt and move belt from under
idler pulley keeper. See Figure 5–4.
4. The forward idler belt will not clear the belt keepers
near the engine pulley. You must remove the reverse
idler bracket to allow the belt to move off of the engine
pulley. Remove the two securing screws and move
the bracket toward the transmission pulley. Retain the
screws for reassembly. See Figure 5–5.
5. Remove belt from the reverse idler pulley and then
from around the transmission pulley. See Figure 5–6.
6. To reassemble new belt. Follow instructions in reverse
order. Be sure to place wider side of belt away from
the engine and transmission pulleys.
NOTE: Upon reassembly, make certain the idler pulley
keeper is as shown in Figure 5–4. Take note of the
notch on the bottom of the keeper and alignment when
reassembling with the replacement belt.
Return Spring
Figure 5–6: Forward drive belt removal.
Remove
Screws
Figure 5–5: Bracket screw removal.
Figure 5–4: Idler pulley keeper belt removal.
Figure 5–3: Return spring removal.