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NOTES:
1. Initial oil change is after 5 hours of operation.
Thereafter, change oil after every 40 hours operation.
Change more often under dusty or dirty conditions and
during hot weather periods.
2. Change engine oil filter per the engine manufacturer’s
recommendations. Refer to Engine Owner’s Manual for
recommendations and other maintenance items.
3. Service more often under dusty or dirty conditions.
4. Check fuel line hose for any cracks or leaks
REFERENCES:
a—Refer to Engine Owner’s Manual
NOTE: After completing maintenance cycle (100 hours), repeat
cycle.
Hustler M-1
Maintenance Schedule
SERVICE AT
INTERVALS INDICATED
WEEKLY
OR 40
HOURS
ANNUALLY
OR 100
HOURS
Verify safety start interlock system Prior to each use
Visually inspect unit for loose
hardware and/or damaged parts
Prior to each use
Check oil level, engine (1) Prior to each use or every 4 hours
Clean air intake screen (3) Prior to each use or every 4 hours
Clean foam element (3) Prior to each use
Check fuel level Prior to each use
Blade - sharpen & securely
fastened
Prior to each use
Grass catcher/mulcher plug -
securely in place
Prior to each use
Clean engine and housing Daily
Change engine oil & filter (1)(2) X
Clean cylinder & head fins (a) X
Clean engine exterior (a) X
Replace air cleaner paper element
(3)
X
Clean & regap spark plug (a) X
Check fuel line (4) X
Change fuel filter X
Replace spark plug X
Throttle cable - adjust X
Drive clutch cable - adjust X
Blade cable - adjust X
Gearshift cable - adjust X
TROUBLESHOOTING
The majority of operating problems that occur with a system can be traced to
improper adjustments or delayed service. A consistently applied preventative
maintenance progam, as outlined in the maintenance section of this manual,
will prevent many problems. The following chart is designed to help you
locate a problem by suggesting probable causes and the recommended
solutions.
SYMPTOMS PROBABLE CAUSES
SUGGESTED
REMEDIES
Engine does not
start
No fuel or line plugged Fill tank or replace line
Engine oil low Add engine oil
Throttle lever is set to
“STOP” position
Set throttle lever to
“CHOKE” or “RUN”
position
Spark plug wire is
disconnected
Reconnect spark plug
wire
Excess gasoline is
inhaled into cylinder
Air cleaner is dirty Clean or replace air filter
Engine is hard to
start
Engine power is
weak
Air cleaner is dirty Clean or replace air filter
Carburetor is clogged Clean carburetor
Fuel tank cap is removed Replace fuel cap
There is dirt in the fuel
filter
Replace the fuel filter
Dirt, water or stale fuel in
the fuel system
Contact your Hustler
Dealer
Throttle wire is not
adjusted properly
Adjust throttle wire
Numerous See engine manual
Engine overheating
Spark plug gap is
incorrect
See engine manual
Restrictions in air
cleaner
Service air cleaner
Cooling fan is dirty
Clean the cooling fan
area
Engine oil low Add engine oil
Recoil starter is clogged
etc.
Clean recoil starter
Abnormal vibration
Blade loose Torque blade bolts
Unbalance blade
Balance blade and
torque blade bolts
Engine is loose
Tighten engine mount
bolts