Troy-Bilt 47330 - Manual (Page 17)

Section
51 Maintenance
A
WARNING
Moving parts on the unit can cause seri­
ous personai injury.
Shut off the engine, iet aii moving parts
stop completeiy, disconnect the spark
piug wire and prevent it from touching
the spark piug before performing any
maintenance or service procedures.
il Maintenaiice
Schedule
Before
Each
Use
Every 25
Hrs. of
Operation
Annually At End
of
Season
Prior to
storing Comments
Check engine oil level
/
Every 8 hrs.
Check hardware for tightness
✓ ✓
Check that engine is free
of flammable debris
/ /
(4)
Change engine oil
✓
(1)
/
(4)
Service engine air cleaner /(2) (4)
Replace spark plug (4)
Clean unit
✓ ✓ ✓
Inspect engine spark
arrester
(3)(4)
Check belt condition.
/
Clean engine cooling system /(5) (4)
Clean engine fuel filter (3)(4)
(1) Change after the first 5 hours of operation.
(2) Service more often under dusty conditions or when airborne debris is present.
(3) Every 50 hours of operation if engine is equipped with this item.
(4) See Engine Owner’s Manual for instructions.
(5) Every 100 hours or every season.
EQUIPMENT MAINTENANCE
Follow the Maintenance Schedule above to
keep your equipment properly maintained.
See the separate Engine Owner’s Manual
for specific engine maintenance informa­
tion and instructions.
LUBRICATION
There are no parts or assemblies on the
unit (other than the engine) that require
periodic lubrication.
DRIVE BELT SERVICE
After every 25 operating hours, examine
the drive belt for cuts, cracks, fraying or
other damage. See Figure 5-1. Examine
the clutch lever operation to see that it
moves the idler pulley property. The idler
pulley is spring-loaded and maintains ten­
sion on the belt until the clutch lever is
squeezed to take tension off the belt for
easier engine starting.
BELT INSPECTION
1. Stop engine and wait for all parts to
come to a complete stop. Disconnect
spark plug wire and secure it away from
spark plug.
2. Remove the four screws securing the
belt cover. Remove the belt cover.
3. Replace the belt if it is worn or dam­
aged (refer to
Belt Removal/lnstallation
below). Replace belt cover and reconnect
spark plug wire.
BELT REMOVAL/INSTALLATION
Belt Removal
1. Stop engine and wait for ali parts to
come to a complete stop. Disconnect
spark piug wire and secure it away from
spark plug.
2. Remove the four screws securing the
belt cover. Remove the belt cover.
3. Loosen (do not remove) nut securing
wire belt guide (A, Figure 5-2). Move belt
guide away from idler pulley (B).
4. Push idler pulley (B, Figure 5-2) down­
ward and remove belt from pulleys.
Belt Installation
1. Place the belt in the grooves of the two
main pulleys.
2. Push idler pulley (B, Figure 5-2) down
and route belt into groove of idler pulley.
3. Position the wire belt guide 1/16"-1/8“
away from the belt. Tighten the nut to
secure the belt guide in place.
4. Reinstall belt cover and reconnect
spark plug wire.
Figure 5-2: To remove belt, loosen belt
guide (A) and push Idler pulley (B) down.