MTD 249-689-000 - Manual (Page 11)

6. Slide impeller and blower housing assemblies off
crankshaft.
7. Remove belt from P.T.O. pulley and install new
belt. See figure 20.
NOTE
When reassembling the new belt, the
aid of another person will be helpful.
OFF-SEASON STORAGE
The following steps should be taken to prepare the
unit for storage.
1. Clean the engine and the entire unit thoroughly.
2. Refer to engine manual for correct engine storage
instructions.
3. Store unit in a clean, dry area.
8. Turn the crankshaft until the key way on shaft is
directly on top. While holding housing assembly
and impeller assembly, line up the key way on the
pulley with the key on the crankshaft, and slide
housing and impeller assemblies onto crankshaft.
9. Secure impeller to crankshaft with hex bolt and
lockwasher, removed in step 2. Tighten securely.
10. Slip belt over impeller pulley and reassemble the
belt guard.
11. Secure blower housing with hand knob and
washer.
12. Reassemble the nozzle or impeller guard.
NOTE
When storing any type of power
equipment in an unventilated or metal
storage shed, care should be taken to
rustproof the equipment. Using a light
oil or silicone, coat the equipment,
especially springs and bearings.
TROUBLE SHOOTING CHART
PROBLEM CAUSE REMEDY
1. Excessive
vibration.
A. Bent crankshaft.
B. Vane plate out of balance.
A. Replace crankshaft (should be done by an authorized service
dealer).
B. Replace vane plate.
2. Height adjust­
ment slips out
of lockout
position.
Handle bent. Replace index handle and index plate.
3. Engine fails
to start.
A. Check fuel tank for gas.
B. Spark plug lead wire
disconnected.
C. Faulty spark plug.
A. Fill tank if empty.
B. Connect lead wire.
C. Clean, adjust gap or replace.
4. Hard starting
or loss of power.
A. Spark plug wire loose.
B. Dirty air cleaner.
A. Connect and tighten spark plug wire.
B. Clean air cleaner as described in engine manual.
5. Engine over­
heats.
A. Carburetor not adjusted
properly.
B. Air flow restricted.
C. Engine oil level low.
A. Adjust carburetor. See engine manual.
B. Remove blower housing on engine and clean as described in the
engine manual.
C. Fill crankcase with the proper oil.
NOTE: For repairs beyond the minor adjustments listed above, please contact your local service dealer.
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