10 Maintenance BTS 630, 635
50 Operator's manual
10.2 Maintenance schedule
Task Daily
before
operation
Daily after
operation
Every
50 hours
or every
six
months
Every
90 hours
or once a
year
Check fuel system for:
Fuel tank fill level.
Leaks in fuel tank and fuel
cap.
Check V-belt tension. Tighten
V-belt as necessary.
Visual inspection of all parts
for damage.
Check function of throttle
lever, throttle lever lock and
lock button.
Check protective hood:
Damage.
Tightness.
Check cutting blade:
Damage.
Tightness.
Check thrust washers:
Damage.
Wear.
Clean the machine.
Replace the fuel filter.
Clean or replace spark plug.
Air cleaner: *
Clean air cleaner housing.
Change prefilter and air
cleaner cartridge.
Clean the muffler.
Replace fuel cap gasket.
Clean the spark arrestor (only
for EPA machines in the USA
and Canada).*
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