Dixon ZTR 7523 manual Engine Overheated

TROUBLESHOOTING

6.ENGINE OVERHEATED

Air intake screen or fins clogged- - - - - - - - - - - - - - - - - - - - - - - - - - clean intake screen and fins Oil level too low or too high- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - adjust oil level Running engine too slow- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - run engine faster Fuel mixture too lean- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer Improper ignition timing- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --consult dealer

7.ENGINE RUNS BUT MOWER WON’T MOVE FORWARD

Drive belt broken or slipping- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - replace drive belt Shift linkage cable disconnected- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - reconnect Transmission shift arm disconnected- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -reconnect Transmission oil low- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -add oil Hydrostat oil filter plugged- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - replace filter Damaged transmission- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer Gear mating transmission/gearbox disconnected- - - - - - - - - - - - - - - - - - - - - - - -consult dealer Free wheel feature activated- - - - - - - - - - - - - - - - - - - - - - - -put in unlock position (see Pg. 26)

8.MOWER LOSES POWER OR TRANSMISSION OVERHEATS

Hydrostat transmission oil too low or high- - - - - - - - - - - - - - - - - - - - - add oil or drain as needed Transmission damage- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - consult dealer Transmission blowing oil out cap- - - - - - - - - - - - - - - - - - - - - - - -overfilled or water contaminated

9.ENGINE STALLS WHEN BLADES ARE ENGAGED

Operator not on seat- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - sit on seat Faulty interlock system- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - consult dealer Damaged blade spindle bearing- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer Deck drive belt not properly routed- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - reroute Blades blocked by foreign material- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - clean under deck

10.ENGINE SOMETIMES SKIPS AT HIGHER SPEEDS

Incorrect ignition timing- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer Carburetor maladjusted- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - consult dealer Faulty spark plugs- - - - - - - - - - - - - - - - - - - - - - - - -check spark plug or condition and reset gap*

11.ENGINE IDLES POORLY

Carburetor maladjustment- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer Improper spark plug gap- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -check and reset gap*

12.ENGINE BACKFIRES

Carburetor maladjustment- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer

*see engine manual for engine adjustments

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