Page 3 - TABLE OF CONTENTS
TABLE OF CONTENTS 1. If engine won’t crank 2. If engine won’t crank - continued Battery ground connection at engine 3. Engine cranks but won’t start Engine stalls when PTO is engaged 4. If PTO clutch will not engage 5. Wiring diagram Hour meter not operating 6. Wire identification at switches 7. Wir...
Page 4 - IF ENGINE WON’T CRANK
IF ENGINE WON’T CRANK ALWAYS CHECK FUSE FIRST TEST #1 Using a remote starter switch or a suitable device, make a connection between the large terminals on the solenoid. If engine does not crank!!! • Battery may be weak or dead • Starter may be bad • Battery cables may have bad connections • Do not g...
Page 5 - BATTERY GROUND CONNECTION AT ENGINE
2 A neutral switch is located at the lower end of both drive control handles and is activated when the handles are outward in the neutral position. Check that the plunger buttons on both switches are depressed at least 3/8 inch. Loosening the two mounting screws and sliding the switch to the side ca...
Page 6 - ENGINE CRANKS BUT WON’T START; Checks for mechanical problems; ENGINE STALLS WHEN PTO IS ENGAGED
ENGINE CRANKS BUT WON’T START Checks for electrical problems • While turning ignition switch to its first position, listen for the fuel solenoid on the carburetor to click. It must click to supply fuel to the carburetor. • Try a new spark plug. • Check for spark at plug when it is removed and the th...
Page 7 - IF PTO CLUTCH WILL NOT ENGAGE
IF PTO CLUTCH WILL NOT ENGAGE Apply a negative ground to this terminal Apply 12Volts to this terminal. Clutch should activate, if it doesn’t, clutch is defective. If clutch checks OK, use a voltmeter to measure for 12 volts at the brown wire’s terminal. First turn ignition switch to the ON position ...
Page 8 - WIRING DIAGRAM; HOUR METER NOT OPERATING
WIRING DIAGRAM HOUR METER USED ONLY ON ZT2350 HOUR METER NOT OPERATING Hour meter has a positive and a negative post. Gray wire should go on the positive. Power is supplied from the ignition switch. Green wire from hour meter is grounded by the oil pressure switch, therefore only has a ground when t...
Page 9 - WIRE IDENTIFICATION AT SWITCHES; STARTER SOLENOID
WIRE IDENTIFICATION AT SWITCHES 3623 IGNITION SWITCH One gray wire goes to the PTO switch and the other goes to the hour meter One black wire goes to PTO switch and the other goes to the engine plug Green wire goes to PTO switch Red wire goes to fuse and on to battery positive at the solenoid termin...
Page 11 - WIRE IDENTIFICATION ON ZT2350
WIRING HARNESS TO ENGINE PLUG CONNECTION Gray wire goes to carburetor fuel solenoid Green wire goes to oil pressure switch Black wire goes to engine ignition module Red wire goes to engine charging system Green wire goes to hour meter Red wire goes to terminal on solenoid with the positive battery c...
Page 12 - CARBURETOR FUEL SOLENOID
CARBURETOR FUEL SOLENOID USED ON ZT2350 Black wire goes to engine ground. Gray wire goes to the engine plug, then on to the ignition switch where it receives power to activate the fuel shut off valve. Fuel shut off solenoid is a Briggs part and is available through them only. USED ON ZT18542 Black w...
Page 13 - BATTERY CHARGING SYSTEMS
BATTERY CHARGING SYSTEMS To test alternator before it goes to the regulator, unplug the yellow connector and measure the AC voltage across the the two gray wires inside this connector.There should be at least 20 volts AC. USED ON THE ZT2350 USED ON ZT18542 To test alternator, first disconnect the gr...
Page 14 - ADJUSTING THE DRIVE CONTROLS
ADJUSTING THE DRIVE CONTROLS Remove left and right instrument covers for access Once the tracking adjustments have been made on the previous page, the handles can now adjusted straight across from each other by loosening both nuts that mount handles and rotate them forward or backwards.This adjustme...
Page 15 - TRACKING ADJUSTMENTS
TRACKING ADJUSTMENTS Adjustments to the unit may need to be made if the unit does not track in a straight line. The primary reason for the unit not tracking straight is incorrect or unbalanced tire pressure. Before making any adjustments first check and adjust the tire pressure. DO NOT EXCEED MAXIMU...
Page 16 - REPLACEMENT OF THE HYDRO UNIT
REPLACEMENT OF THE HYDRO UNIT Prepare to replace the unit by jacking the mower up on the side where the defective unit is located. Use a jack stand to support the mower while you are working. Remove the wheel on the defective unit. Remove the rear cover behind the clutch and remove the deck belt. Re...
Page 17 - REPAIRING OR REPLACING BLADE DRIVER
REPAIRING OR REPLACING BLADE DRIVER Torque top nut to 90 ft/lbs Replacing this nut each time is recommended. Pulley does not have a hub. When removing, just lift it off like a washer, no puller is needed. Machine washers are used to keep the pulley from contacting the outer race of the bearing. When...
Page 18 - BELT REPLACEMENT ROUTING; Clutch drive belt replacement
BELT REPLACEMENT ROUTING • Clutch drive belt replacement •Remove belt covers •Disconnect tension idler from tension bracket •Remove belt from mower pulley and electric clutch •Install new belt onto electric clutch and mower pulley and check for proper routing and clearance. •Reconnect idler tension ...
Page 19 - REPLACEMENT PARTS
REPLACEMENT PARTS Quick Reference Swisher Part# Description •66LR Hydro belt •3752 Deck belt for 42” •3816 Deck belt for 50” •9004 and 9005 Blades for 42” (1 of each) •10099 Set of Blades for 50” •9018 Blade driver assembly •B98 Blade driver bearing •9076 Blade shaft •3785 Blade pulley for 42”deck •...
Page 20 - ZERO TURN HYDROSTATIC DRIVE; “Z” SERIES
REPAIRMANUAL MODEL NO. ZT2350 Each mower has its own model number. Each engine has its own model number. The model number for the mower will be found under the seat. The model number for the engine will be found on the top of the blower fan housing.All mower parts listed herein may be ordered direct...
