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Swisher ZT18542 - page 1
REPAIR MANUAL ZT18542 ZT2350 Swisher Mower Co Warrensburg, MO ...
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Swisher ZT18542 - page 2
For additional assistance on service Contact Swisher Mower Co., Inc. Phone 1-800-222-8183 Fax 1-660-747-8650 E-mail cust.serv@swisherinc.com This manual was produce d at the beginning of our 2006 production. It was specifically written for those models built after January, 2006. For those models built before that time refer to the owners manual s f ...
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Swisher ZT18542 - page 3
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. Wire identification on ZT18542 8. Wire identifi ...
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Swisher ZT18542 - page 4
IF ENGINE WON’T CRANK ALWAYS CHECK FUSE FIRST TEST #1 Using a remote starter switch or a suitable device, make a connection betwe en th e large ter minals 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 go to Test #2 until this test gives re ...
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Swisher ZT18542 - page 5
2 A neutral switch is located at the lower end of bot h 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 can adjust these. Ohmmeter should go to zero wh en ...
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Swisher ZT18542 - page 6
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 re moved and the threaded end is grounded. • Unplug the si ...
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Swisher ZT18542 - page 7
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 but don’t start the engine. Now engage the P ...
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Swisher ZT18542 - page 8
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 the engine is running. 5 ...
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Swisher ZT18542 - page 9
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 terminal. One white wire goes to clutch and other one go ...
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Swisher ZT18542 - page 10
WIRE IDENTIFICATION ON ZT18542 Gray wire goes to ignition switch Black wire goes to ignition switch Red wire goes to terminal on solenoid with the positive battery cable Red wire goes to engine charging system Orange wire is not used on this application Black wire goes to engine ignition module Gray wire goes to carburetor fuel solenoid WIRING HARN ...
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Swisher ZT18542 - page 11
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 cable. Black wire goes to the ignition switch. Gray ...
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Swisher ZT18542 - page 12
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 wire goes to ground. Gray wire goes to the engine p ...
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Swisher ZT18542 - page 13
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 green plug. Then measure for AC voltage between the ...
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Swisher ZT18542 - page 14
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 adjustment can also be used to bring both handles closer o ...
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Swisher ZT18542 - page 15
TRACKING ADJUSTMENTS Adjustments to the unit may ne ed to be made if the unit does not track in a straight l ine. The primary reason for the unit not tracking straight is incorrect or unbalanced tir e pressure. Before making any adjustme nts firs t check and adjust the tire pressure. DO NOT EXCEED MAXIMUM RECO MMENDED TIRE PRESSUE. ADJUST LINKAGE: ...
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Swisher ZT18542 - page 16
REPLAC E MEN T O F THE HYD RO UN IT Prepar e t o repla ce t he u nit by jac k ing the mower up on the s ide wher e t he de fect ive u nit is locat ed. Use a jac k st and to supp o rt t he mower while yo u are w orking. Remove t he whee l on the de fective unit. R emove t he rear cover be hind t he clutc h a nd rem ove t he deck be lt. Remove t he t ...
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Swisher ZT18542 - page 17
REPAIRING OR RE PLACING BL ADE DR IVER Torque to p n ut to 90 f t/ l bs Rep lacing th i s nut eac h time i s rec omme nded. Pulley does not h ave a hub. When removing, just l ift it off like a was her, no puller is needed. Mac h ine w as hers are u sed to keep t he pulley fr om con ta ctin g th e o ute r ra ce of the bear ing. Whe n ap p ly ing to ...
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Swisher ZT18542 - page 18
BELT REPLACEMENT ROUTING • Clutch drive belt replacement •Remove belt covers •Disconnect tension idler from tension bracket •Remove belt from mower pulley and ele ctri c clutch •Install new belt onto electric clutch and mower pulley and check for proper routing and clearance. •Reconnect idler tension bolt to t ension bracke t Hydrostats ...
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Swisher ZT18542 - page 19
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 •B4104TK Blade pulley ...
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Swisher ZT18542 - page 20
REP AI R MANU AL MODE L N O. ZT2350 Each m ower has its own mod el numb er. Ea ch engin e has its own model numb er. T he m odel numbe r for th e mow er will b e found und er the seat. T h e model numbe r for th e engine will b e found on the top of the blow er f an h ousing. All mower parts lis ted her ein ma y be or d er ed dire ctly from Sw is h ...
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