White Outdoor ZT-1850, ZT-2150, ZT-2250 manual Troubleshooting, Mower Blades

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Mower Blades

WARNING: The mower blades are sharp and can cause severe injury. Always protect hands by wearing heavy leather work gloves to grasp blades.

Block

Of Wood

Blade

Figure 29

Secure the mower blade by putting a piece of wood between the blade and the housing. See Figure 29.

Remove the hex flange nut that secures the blade to the spindle assembly.

It is extremely important that each cutting blade edge be ground equally to maintain proper blade balance. An unbalanced blade will cause excessive vibration when rotating at high speeds, may cause damage to the unit, or result in personal injury. The blade can be tested by balancing it on a round shaft screwdriver. Grind metal from the heavy side until it balances evenly.

When replacing the blade, be sure to install the blade with the side of the blade marked “Bottom” (or with a part number stamped in it) facing the ground when the mower is in the operating position.

IMPORTANT: Tighten the hex nut that secures mower blade to spindle to 100 ft-lbs.

WARNING: Periodically inspect the blade adapter for cracks, especially if you strike a foreign object. Replace when necessary.

SECTION 8: TROUBLESHOOTING

Trouble

Possible Cause(s)

Corrective Action

 

 

 

Engine fails to start

PTO switch engaged.

Disengage PTO switch.

 

Brake pedal not engaged.

Engage brake pedal.

 

Spark plug wire disconnected.

Connect wire to spark plug.

 

Throttle control lever not in correct

Move throttle lever to FAST or START posi-

 

starting position.

tion.

 

Fuel tank empty, or stale fuel.

Fill tank with clean, fresh (not over 30 days)

 

 

gasoline.

 

Blocked fuel line.

Clean fuel line.

 

Faulty spark plug.

Clean, adjust gap or replace.

 

Engine flooded.

Crank engine with throttle in FAST position.

Engine runs erratic

Unit running in START position.

Move throttle lever to FAST position.

 

Choke lever toward ON position.

Push choke lever to OFF position.

 

Spark plug wire loose.

Connect and tighten spark plug wire.

 

Blocked fuel line or stale fuel.

Clean fuel line; fill tank with clean, fresh (not

 

 

over 30 days) gasoline.

 

Vent in gas cap plugged.

Clear vent.

 

Water or dirt in fuel system.

Drain fuel tank. Refill with fresh fuel.

 

Dirty air cleaner.

Clean air cleaner.

Engine overheats

Engine oil level low.

Fill crankcase with proper oil.

 

Air flow restricted.

Remove blower housing and clean.

Occasional skip (hesitates) at

Spark plug gap too close.

Adjust gap to .030”.

high speed

 

 

Idles poorly

Spark plug fouled, faulty or gap too

Reset gap to .030” or replace spark plug.

 

wide.

 

 

Dirty air cleaner.

Clean air cleaner.

Excessive vibration

Cutting blade loose or unbalanced.

Tighten blade and adapter. Balance blade.

 

Bent cutting blade.

Replace blade.

Uneven cut

Wheels not positioned correctly.

Place all four wheels in same height posi-

 

 

tion.

 

Dull blade.

Sharpen or replace blade.

 

Uneven tire pressure.

Equal tire pressure in all four wheels.

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Contents OPERATOR’S Manual Table of Contents General Operation Children Slope OperationSafe Handling Of Gasoline ServiceYou could slip, resulting in serious injury Slope GaugeIgnition/Light Switch Know Your Z-SERIESHour Meter Seat Adjustment Lever Indicator PanelThrottle Lever and Choke Lever Lift HandleParking Brake Pedal Drive HandlesSpeed Control Bar Operating Your Z-SERIES Quick Reference Chart MowingPushing Your Unit Adjusting the Seat Position Making AdjustmentsChecking the Brake Adjustment Adjusting Brake ForceSteering Adjustment Lubrication Maintaining Your Z-SERIESFuel Tank EngineAdding Hydraulic Oil Checking Hydraulic OilDraining Hydraulic Oil Replacing The Head Lamp BulbChanging The Fuse BatteryCharging TiresMower Deck Installing Drive BeltRemoving The Mower Deck Installing Mower Deck Belt Installing The Mower DeckMower Blades TroubleshootingModels ZT-1850, ZT-2150, & ZT-2250 Part Description Models ZT-1850, ZT-2150, & ZT-2250 Models ZT-1850, ZT-2150 Models ZT-1850, ZT-2150, & ZT-2250 603-0340 Bellcrank Ass’y Upper LH Models ZT-1850, ZT-2150, & ZT-2250 † Models ZT-2150 & ZT-2250 Only Models ZT-1850, ZT-2150, ZT-2250 Models ZT-1850, ZT-2150, ZT-2250 Model ZT-1850 Model ZT-1850 Models ZT-2150 & ZT-2250 Model ZT-2150 & ZT-2250 Models ZT-1850, ZT-2150, & ZT-2250 Models ZT-1850, ZT-2150, & ZT-2250 Models ZT-1850, ZT-2150, & ZT-2250 Models ZT-1850, ZT-2150, & ZT-2250 Models ZT-1850, ZT-2150, & ZT-2250 711-0642A Handle Button 212 712-0251 Models ZT-2150 & ZT-2250 Models ZT-1850, ZT-2150, ZT-2250 27 18 4442 4850 Extension Spring .94 OD x Model ZT-2150 Model ZT-2150 Model ZT-2250 Model ZT-2250 Extension Spring 1.25 OD x 11.5 Lg 629-3070 Page Page MANUFACTURER’S Limited Warranty for