Shooting Guide - MTD YARD MACHINES 500 Operator's Manual

Log splitter vertical shaft
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SECTION
10: CONDITIONS
WHICH WILL VOID YOUR WARRANTY
1.
Failure to maintain proper fluid level in reservoir
will void your warranty, causing permanent dam-
age to pump by allowing air to be drawn into
pump. Fluid will become foamy.
2.
Changing the relief valve setting or pressure
adjustment of control valve without proper
knowledge and instruction from the factory will
void your warranty. A very minor adjustment
could destroy the structural and safety limits for
which the unit was designed. The system will
produce more power than the structure will with-
stand. Higher pressure could cause the hoses to
burst, cylinder to rupture and intense fluid
releases, which could result in serious personal
injury.
3.
Disassembling
the pump will void your warranty.
If replacement is necessary, merely disconnect
and replace. Do not attempt to adjust pump set-
tings, as they are adjusted by the manufacturer
at the factory.
4.
Use of incorrect hydraulic fluid will void your war-
ranty. Use only Dexron III automatic transmis-
sion fluid or 10W AW hydraulic fluid.
5.
The flexible pump coupler must be inspected
regularly. Allowing the coupler to deteriorate will
void your warranty. Deterioration of spider insert
and prolonged use after its deterioration will
destroy pump bearings, engine bearings and the
coupler hubs.
6.
Improper beam lubrication will cause premature
wear and looseness. Lubricate the beam regu-
larly. Lack of lubrication will void your warranty.
7.
Improper adjustment of splitting wedge will void
your warranty. If wedge is too loose, cylinder
beam and wedge wear will result. Allowing the
wedge to loosen and be used under operating
stress will cause damage which will not be cov-
ered under warranty. If wedge is too tight,
severe beam damage will result which will not be
covered under warranty.
8.
Do not overheat the hydraulic system. Exces-
sive heat will destroy the hydraulic system with
hardened O-rings and excessive friction.
9.
Do not attempt to start in temperatures
under
20 ° F. without pre-heating fluid in reservoir.
Excessively cold fluid cannot circulate and draw
into pump.
10. Repair any leaks in hydraulic system immedi-
ately. Unattended leaks will cause air to enter
system and/or decrease fluid level in reservoir,
causing damage to the hydraulic system which
will not be covered by warranty.
SECTION
11: TROUBLE
SHOOTING
GUIDE
Problem
Engine fails to start
Engine runs erratic
Engine
overheats
Possible Cause(s)
Dirty air cleaner.
Fuel shut-off valveclosed(ifso
equipped).
Fuel tank empty,or stalefuel.
Choke not in ON position.
Blocked fuel line.
Spark plug wire disconnected.
Faulty spark plug.
Unit running on CHOKE.
Spark plug wire loose.
Blocked fuel line or stale fuel.
Water or dirt in fuel system.
Dirty air cleaner.
Carburetor out of adjustment.
Engine oil level low.
Dirty air cleaner.
Air flow restricted.
Carburetor not adjusted properly.
Corrective
Action
Refer to the engine manual packed with your unit.
Open fuel shut-off valve.
Fill tank with clean fresh gasoline. Fuel will not last over thirty
days unless a fuel stabilizer is used.
Move switch to ON position.
Clean fuel line.
Connect wire to spark plug.
Clean, adjust gap or replace.
Move choke lever to OFF position.
Connect and tighten spark plug wire.
Clean fuel line; fill tank with clean fresh gasoline. Fuel will not last
over thirty days unless a fuel stabilizer is used.
Drain fuel tank. Refill with fresh fuel.
Refer to the engine manual packed with your unit.
Refer to the engine manual packed with your unit.
Fill crankcase with proper oil.
Refer to the engine manual packed with your unit.
Stop engine and disconnect spark plug wire. Remove blower
housing and clean.
Refer to the engine manual packed with your unit.
13

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