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White Outdoor ZT Zero 17, Service Manual

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White Outdoor ZT Zero 17 Service Manual Download Page 2

TABLE OF CONTENTS

General Information .............................................................................................................. 1
deck leveling ......................................................................................................................... 1
PTO/Deck Belt Replacement  ............................................................................................... 2
Deck Removal  ...................................................................................................................... 2
Blade Drive Belt Removal  .................................................................................................... 2
Idler Arm Removal ................................................................................................................ 2
Blade Spindle Removal  ........................................................................................................ 3
Drive Belt Replacement ........................................................................................................ 3
Servicing Electric PTO Clutch  .............................................................................................. 3
Transmission Replacement .................................................................................................. 4
Steering Linkage: Adjustment  .............................................................................................. 6
Pivot Bar ............................................................................................................................... 9
Seat Removal ..................................................................................................................... 10
Console Removal  ............................................................................................................... 11
Battery Removal ................................................................................................................. 13
Fuel Tank Removal  ............................................................................................................ 14
Control Shaft Replacement  ................................................................................................ 15
Deck Lift Shaft Replacement .............................................................................................. 16
Electrical System Components  .......................................................................................... 19
Relays ................................................................................................................................ 21

www.mymowerparts.com

For  Discount White Outdoor Parts Call 606-678-9623 or 606-561-4983

Summary of Contents for ZT Zero 17

Page 1: ...h the equipment No liability can be accepted for any inaccuracies or omission in this publication although care has been taken to make it as complete and accurate as possible at the time of publication However due to the variety of outdoor power equipment and continuing product changes that occur over time updates will be made to these instructions from time to time Therefore it may be necessary t...

Page 2: ...t Replacement 3 Servicing Electric PTO Clutch 3 Transmission Replacement 4 Steering Linkage Adjustment 6 Pivot Bar 9 Seat Removal 10 Console Removal 11 Battery Removal 13 Fuel Tank Removal 14 Control Shaft Replacement 15 Deck Lift Shaft Replacement 16 Electrical System Components 19 Relays 21 www mymowerparts com For Discount White Outdoor Parts Call 606 678 9623 or 606 561 4983 ...

Page 3: ...le The ZT 22 is very similar to the ZT 17 except for the twin cylinder 22 HP Briggs Stratton Intek There are also 4 wheels instead of 2 on the 50 triple blade stamped deck 1 DECK LEVELING 1 1 To adjust the deck pitch front to back loosen or tighten the jam nuts located on the front stabi lizer bracket using a 15 16 socket and a 15 16 wrench The correct deck pitch should be 1 8 to 1 4 lower in the ...

Page 4: ... 3 1 3 2 Slide the deck forward until the front stabilizer bar can be lifted away from the front mounting bracket 3 3 Slide the deck out from underneath the unit 4 BLADE DRIVE BELT REMOVAL 4 1 Remove the deck from the unit 4 2 Remove both belt covers These belt covers are identical and interchangeable See Figure 4 2 4 3 Remove the belt from around the pulleys 4 4 Install the new belt A belt routin...

Page 5: ...igure 6 3 Hex Flange Lock Nut 7 1 Insert a 3 8 breaker bar into the square hole on the tensioner arm 7 2 Pull the breaker bar to the right until it can be braced in position at the pivot point of the ten sioner arm See Figure 7 2 7 3 Remove the belt from the transmission pulleys tensioner pulley and the crankshaft pulley Belt is part number 754 04043 8 SERVICING ELECTRIC PTO CLUTCH 8 1 Using a sma...

Page 6: ...Remove the belt from the transmission pulleys tensioner pulley and the crankshaft pulley 9 4 Using a 3 4 socket and impact wrench remove the four lug nuts securing the rear wheel to the axle hub NOTE Insure the lap bar control rods and brake rods are not rubbing against the frame 9 5 Remove the cotter pin securing the bypass rod to the transmission bypass arm Remove the bypass rod See Figure 9 5 9...

Page 7: ...ng installation the bottom ridge of the brake arm needs to be below the emboss ment on the transmission housing Improper installation will prevent the brake from engaging 9 10 Remove both bolts securing the tubular trans mission brace using a 5 8 socket NOTE When installing the brace bolts use loc tite 242 9 11 Remove the front transmission mounting bolt using a 1 2 wrench and a 1 2 socket NOTE Se...

Page 8: ... removal process Tighten the lug nuts to a torque of 350 500 in lbs Tighten the center wheel hub nut to 100 160 Ft Lbs 10 STEERING LINKAGE ADJUSTMENT 10 1 Begin to adjust the steering by confirming that both hydros are correctly adjusted for neutral control See Figure 10 1 10 2 Lift and safely support the rear of the mower 10 3 Disconnect the ferrule at the hydro end of each lap bar control rod fr...

Page 9: ...ocket head cap screw at true neutral When making this adjustment the transmission should be warm Figure 10 5 Socket Head Cap Screw 10 7 Align the post on the ferrule with the hole that it seats into on the neutral return assembly Thread the ferrule up or down the length of the control rod to center the lap bar in the neutral recess in the control console See Figure 10 7 10 8 When each ferrule is i...

Page 10: ...he second lap bar crosses the threshold from neutral into reverse Repeat test for each side NOTE When at least one lap bar is in the neu tral or forward position the PTO clutch will oper ate There is not a relay to re set by cycling the PTO switch off and on again as is the case with MTD front engine residential equipment 10 14 If the reverse safety switch adjustment is not correct loosen the reve...

Page 11: ...er 11 5 Lightly grease the wheel spacers during re assembly Using a grease gun fill the rest of the cavity AFTER the wheel assembly has been mounted 11 6 Remove both caster wheel assemblies using a 9 16 wrench See Figure 11 6 11 7 Inspect flange bearing on top and bottom of pivot axle Replace if damaged See Figure 11 7 NOTE Assure proper order during reassembly From the top down in this order hex ...

Page 12: ...ure 11 11 11 12 AFTER reassembly use a good quality grease to fill the axle shaft chamber 12 SEAT REMOVAL 12 1 Disconnect the negative lead to the battery 12 2 Flip the seat forward Keep one hand on back of seat to prevent seat from trying to fall back See Figure 12 2 12 3 Remove both wing knobs from under seat Keep track of washers and spacers See Figure 12 3 12 4 Slide seat forward to align seat...

Page 13: ...noid and a 20Amp Fuse The left console has the Throttle Choke Control Hour Meter and Neutral Switch Figure 12 5 Seat Safety Switch LEFT SIDE CONSOLE 13 1 Disconnect the negative lead to the battery 13 2 Using a 1 2 wrench remove the three screws securing the console to the seat frame See Figure 13 2 13 3 From underneath remove the four 12 16 self tapping hex head screws This can be accom plished b...

Page 14: ...Using a 1 2 socket and box end wrench remove the four hex screws connecting the lap bar levers to the pivot bracket See Figure 13 6 13 7 Remove the lapbars and set them aside NOTE Before loosening the hex screws mark their position to facilitate reassembly 13 8 Carefully remove console from unit NOTE Unscrew fuel cap when removing the left side console 13 9 If any electrical connections are presen...

Page 15: ... to the battery 14 2 Disconnect the positive lead to the battery 14 3 Disconnect the battery strap from frame 14 4 Using a 3 8 wrench remove the two screws securing the fuel pump to the engine The hoses don t need to be removed See Figure 14 4 NOTE When reinstalling the battery make sure strap is hooked under the seat box before plac ing battery in the unit Figure 14 4 Fuel Pump Mounting Screws 14...

Page 16: ... described in the CONSOLE REMOVAL section of this manual 15 7 Rotate tank upward and slide out toward the side See Figure 15 7 NOTE If the type of engine used on the unit does not allow the removal of the fuel tank you must loosen the seat box frame to remove the tank Follow these steps to loosen the seat box frame 15 8 From under the unit remove the hairpin clip securing the lap bar control rod t...

Page 17: ...ng reassembly be certain to recon nect electrical connector and fuel line NOTE This would be a good time to change the fuel filter Figure 15 9 Brake Rod Hairpin Clip Figure 15 10 Screws 16 CONTROL SHAFT REPLACEMENT 16 1 Disconnect the negative lead to the battery 16 2 Remove appropriate side console Refer to CONSOLE REMOVAL section of this manual 16 3 Disconnect the ferrule from the return to neut...

Page 18: ...the shaft NOTE Undertaking the DECK REMOVAL section of this manual will make this procedure a little less painful but is not necessary 17 DECK LIFT SHAFT REPLACEMENT 17 1 The following sections of this manual need to be accomplished DECK REMOVAL SEAT REMOVAL CONSOLE REMOVAL RIGHT AND LEFT SIDE BATTERY REMOVAL NOTE THE DECK LIFT SHAFT ALSO DOU BLES AS THE FLUCRUM POINT FOR THE PARKING BRAKE ROD AND...

Page 19: ...n to neutral brackets See Figure 17 7 Figure 17 6 Screws 3 of 9 Figure 17 7 Ferrule Control Rod 17 8 Using two 9 16 wrenches remove the bolt nut and spring on the brake handle on the left han dle side of the deck lift shaft See Figure 17 8 NOTE When reassembling tighten screw 030 past flush to end of screw 17 9 Remove the hairpins securing the deck lift cables to the deck lift shaft See Figure 17 ...

Page 20: ...l make this task much easier 17 15 Remove the E clips on the ends of the deck lift shaft See Figure 17 15 17 16 Remove both hex flange bearings 17 17 Place a piece of 2 x 4 or something equivalent under the front left side of the seat box frame This will allow enough clearance for deck lift assembly to slip out the back easily See Figure 17 17 17 18 Shuffle the deck lift assembly to the left till ...

Page 21: ...eck Lift Shaft Assembly Figure 18 1 Seat removed for clarity The contacts on the switch are normally closed This is indicated with the initials N C on the side of the spades When the seat is unoccupied this will energize relay 1 2 NOTE The seat safety switch has nothing to do with the starting circuit 18 2 The PARKING BRAKE SWITCH is located under the seat box frame See Figure 18 2 Both sets of co...

Page 22: ... N C The switches need to be set up in a way that when the lapbar s are pulled to the rear the switch opens the cir cuit and eliminates power to the PTO from that switch One lapbar can be pulled back at a time but if both are pulled back that will cut power to the PTO Return ing one or both lapbars to neutral will re engage the PTO This is done by wiring the switches in parallel If the reverse saf...

Page 23: ... turned to the start position it doesn t energize the fuel shut off solenoid This will not allow fuel to flow to the carburetor while the engine is cranking To correct this there is a new key switch 725 04228 and a harness adapter 725 04229 This is available in kit 759 04058 Service Kit W 127 A new wiring harness 759 04170A should be on all models with serial numbers above 1F224G20001 These models...

Page 24: ...ld have a consistent ground terminal 86 and will receive power terminal 85 when the brake switch is activated 18 9 The STARTER SOLENOID is located under the right console just to the right of the relays See Figure 18 9 Be certain that there is a good path to ground by mak ing sure there is a star washer under the mounting tab on the starter solenoid Figure 18 8 RELAYS Seat PTO Brake Figure 18 9 ww...

Page 25: ...23 www mymowerparts com For Discount White Outdoor Parts Call 606 678 9623 or 606 561 4983 ...

Page 26: ...24 www mymowerparts com For Discount White Outdoor Parts Call 606 678 9623 or 606 561 4983 ...

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