McCulloch MC30 - Manual (Page 18)

18
IMPORTANT: Do not oil or grease the pivot
points which have special nylon bearings.
Viscous lu bri cants will attract dust and dirt
that will short en the life of the self-lu bri cat ing
bearings. If you feel they must be lu bri cat ed,
use only a dry, pow dered graphite type
lu bri cant spar ing ly.
GENERAL RECOMMENDATIONS
The warranty on this riding mower does not
cover items that have been subjected to
operator abuse or negligence. To receive
full value from the warranty, operator must
main tain riding mower as instructed in this
manual.
Some adjustments will need to be made
periodically to properly maintain your riding
mower.
At least once a season, check to see if
you should make any of the adjustments
described in the Service and Adjustments
section of this manual.
• At least once a year you should replace
the spark plug, clean or replace air filter,
and check blade and belt for wear. A new
spark plug and clean air filter assure proper
air-fuel mixture and help your engine run
better and last longer.
BEFORE EACH USE
1. Check engine oil level.
2. Check brake operation.
3. Check tire pressure.
4. Check operator presence and
ROS systems for proper operation.
5. Check for loose fasteners.
1 - Change more often when operating under a heavy load or in high ambient temperatures.
2 - Service more often when operating in dirty or dusty conditions.
E
N
G
I
N
E
3
4
2
2
2
3 - Replace blade more often when mowing in sandy soil.
4 - Clean surfaces with isopropyl alcohol or non filming cleaner.
2
1,2
BEFORE
EACH
USE
EVERY
8
HOURS
EVERY
25
HOURS
EVERY
50
HOURS
EVERY
100
HOURS
EVERY
SEASON
BEFORE
STORAGE
2
)
$
)
.
'
-
/
7
%
2
Inspect Muffler/Spark Arrester
Clean Air Filter
Replace Air Filter Paper Cartridge
Replace Spark Plug
Check Engine Oil Level
Clean Engine Cooling Fins
Clean Air Screen
Change Engine Oil
Check Brake Operation
Check Tire Pressure
Clean Battery and Terminals
MAINTENANCE
SCHEDULE
Check for Loose Fasteners
Check/Replace Mower Blade
Clean Friction Surfaces
Lubricate Axles and Spindles
Che
Check Operator Presence & ROS Systems
ck V-Belt
Check Mower Levelness
MAINTENANCE
27
PROBLEM CAUSE CORRECTION
Will not start 1 Out of fuel. 1 Fill fuel tank.
2 Bad spark plug. 2 Replace spark plug.
3 Dirty air filter. 3 Clean/replace air filter.
4 Water in fuel. 4 Empty fuel tank and carburetor, refill
tank with fresh gasoline and replace
fuel filter.
5 Loose or damaged wiring. 5 Check all wiring.
6 Engine valves out of adjustment. 6 Contact a qualified service center.
Hard to start 1 Dirty air filter. 1 Clean/replace air filter.
2 Bad spark plug. 2 Replace spark plug.
3 Weak or dead battery. 3 Recharge or replace battery.
4 Stale or dirty fuel. 4 Empty fuel tank and refill tank with
fresh, clean gasoline.
5 Loose or damaged wiring. 5 Check all wiring.
6 Engine valves out of adjustment. 6 Contact a qualified service center.
Engine will not
turn over
1 Clutch/brake pedal not depressed. 1 Depress clutch/brake pedal.
2 Deck clutch is engaged. 2 Disengage deck clutch.
3 Weak or dead battery. 3 Recharge or replace battery.
4 Blown fuse. 4 Replace fuse.
5 Corroded battery terminals. 5 Clean battery terminals.
6 Loose or damaged wiring. 6 Check all wiring.
7 Faulty ignition switch. 7 Check/replace ignition switch.
8 Faulty solenoid or starter. 8 Check/replace solenoid or starter.
9 Faulty operator presence switch(es). 9 Contact a qualified service center.
Engine clicks but will
not start
1 Weak or dead battery. 1 Recharge or replace battery.
2 Corroded battery terminals. 2 Clean battery terminals.
3 Loose or damaged wiring. 3 Check all wiring.
4 Faulty solenoid or starter. 4 Check/replace solenoid or starter.
Loss of power 1 Cutting too much grass/too fast. 1 Raise cutting height/reduce speed.
2 Build-up of grass, leaves and trash
under mower.
2 Clean underside of mower housing.
3 Dirty air filter. 3 Clean/replace air filter.
4 Low oil level/dirty oil. 4 Check oil level/change oil.
5 Faulty spark plug. 5 Clean & regap or change spark plug.
6 Stale or dirty fuel. 6 Empty fuel tank and refill tank with
fresh, clean gasoline.
7 Water in fuel. 7 Empty fuel tank and carburetor, refill
tank with fresh gasoline.
8 Spark plug wire loose. 8 Connect & tighten spark plug wire.
9 Dirty engine air screen/fins. 9 Clean engine air screen/fins.
10 Dirty/clogged muffler. 10 Clean/replace muffler.
11 Loose or damaged wiring. 11 Check all wiring.
12 Engine valves out of adjustment. 12 Contact a qualified service center.
Excessive vibration 1 Worn, bent or loose blade. 1 Replace blade. Tighten blade bolt.
2 Bent blade mandrel. 2 Contact a qualified service center.
3 Loose/damaged part(s). 3 Tighten loose part(s).
Replace damaged parts.
TROUBLESHOOTING CHART:
See ap pro pri ate section in manual un less di rect ed to service center.