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34

Section 5: Maintenance & Lubrication

ZST40 & ZST48 Zero Turn Mowers   357-505M

Table of Contents

9/09/11

Ground Drive Belt Installation

1.

Park mower on a flat surface.

2.

Make sure blade engagement switch is (OFF),
control levers are fully (OUT), park brake is (ON) and
engine switch key is (OFF) and removed.

!

WARNING

Make sure engine and engine muffler is completely cooled
before working on and around the drive belt. Severe burns to
the body could result if engine and muffler have not cooled.

3.

Disconnect negative battery cable. See Figure 5-2
on page 31.

4.

Place deck height in the lowest position.

Refer to Figure 5-7:

5.

Remove deck drive belt (#16) from drive pulley (#11)
as outlined in “Deck Drive Belt Installation” on Page
32. 
This belt does not need to be removed from any
of the other deck pulleys.

6.

Release tension on ground drive belt (#4) by pulling
on idler arm (#2) and carefully removing belt (#4)
from pump tension idler (#1). Use caution when
releasing idler arm (#2) as spring (#3) is in
tension and will snap pulley back into position
.

Ground Drive Belt Layout

Figure 5-7

1. Take-up pulley
2. Take-up pivot arm
3. Take-up Spring
4. Ground drive belt
5. Idler Pulley
6. Clutch Locking Bracket
7. Ground drive pulley
8. Take-up eye bolt
9. Jam nut
10. Take-up nut
11. Deck drive pulley
12. Transaxle mounting bolts
13. Wheel lug nuts
14. Neutral return spring
15. Pump pulleys
16. Deck drive belt

33194

7.

Slide belt off of pump pulleys (#15), ground drive
pulley (#7) and remove from mower.

8.

Install new belt by sliding it onto the ground drive
pulley (#7), idler pulley (#5) and over the two pump
pulleys (#15).

9.

Pull on pump idler arm (#2) and slide belt onto idler
pulley (#1). Make certain to keep fingers from
getting between belt and pulley when pulley is
released and tension is re-established.

10. Re-install deck drive belt (#16) on the deck drive

pulley per “Deck Drive Belt Installation” instructions
on Page 32.

11. Make sure the deck drive belt is routed properly on all

of the deck pulleys and then re-tension deck belt idler
per “Deck Drive Belt Installation” instructions on
Page 32.

12. If removed, reattach wiring to deck drive pulley (#11).

Summary of Contents for ZST40

Page 1: ...d unit Read the Operator s Manual entirely When you see this symbol the subsequent instructions and warnings are serious follow without exception Your life and the lives of others depend on it Copyright 2011 Printed ZST40 ZST48 Zero Turn Mowers 357 505M Operator s Manual 9 09 11 33168 ...

Page 2: ...ng Height 15 Clearing Obstacles 15 Engine Starting 15 Engine Shut Down Sequence 15 Safety Start Interlock System 16 Driving the Mower 16 Safe Operating Instructions 18 General Operating Information 20 Section 3 Adjustments 21 Torque Requirements 21 Tire Pressure 21 Seat Adjustment 21 Steering Adjustments 22 Lower Control Lever 22 Upper Control Lever 23 Belt Tensioning 23 Ground Drive Belt Tensioni...

Page 3: ...hen you see this symbol be alert and carefully read the message that follows it In addition to design and configuration of equipment hazard control and accident prevention are dependent upon the awareness concern prudence and proper training of personnel involved in the operation transport maintenance and storage of equipment Be Aware of Signal Words A Signal word designates a degree or level of h...

Page 4: ...buildup of grease oil or debris Remove all tools and unused parts from mower before operation Keep Riders Off Machinery Riders obstruct the operator s view they could be struck by foreign objects or thrown from the machine Never allow children under 16 years of age to operate equipment Avoid High Pressure Fluids Hazard Escaping fluid under pressure can penetrate the skin causing serious injury Avo...

Page 5: ...table hearing protection such as earmuffs or earplugs Operating equipment safely requires the full attention of the operator Avoid wearing radio headphones while operating machinery These are common practices that may or may not be applicable to the products described in this manual Tire Safety Tire changing can be dangerous and should be preformed by trained personnel using the correct tools and ...

Page 6: ...g repair requires safety labels to be affixed to the replaced component as specified by Land Pride When ordering new components make sure the correct safety labels are included in the request 4 Refer to this section for proper label placement To install new labels a Clean the area the label is to be placed b Spray soapy water on the surface where the label is to be placed c Peel backing from label...

Page 7: ...5 Important Safety Information ZST40 ZST48 Zero Turn Mowers 357 505M Table of Contents 9 09 11 838 307C Warning Moving Parts 33171 838 310C Warning General 33171 838 815C Warning Rollover Hazard 33170 ...

Page 8: ...ormation ZST40 ZST48 Zero Turn Mowers 357 505M Table of Contents 9 09 11 838 833C Warning Fuel Imbedded in Fuel Tank 33171 838 306C Warning Do not operator without deflector 33170 838 308C Warning Rotating Blade Hazard 33170 ...

Page 9: ...8 Zero Turn Mowers 357 505M Table of Contents 9 09 11 33174 838 444C Danger Muffler Hot Both Sides of Engine Beneath Floor platform Pulley Shields 33173 818 543C Danger Guard Missing 3 Places 848 268C Warning Safe Operating Instructions 33171 ...

Page 10: ...and ideal for homeowner grass maintenance Because the mower is a true zero turn mower it allows you to turn away and not hit anything with the rear end when mowing alongside a building or alongside landscaping The control levers reach and height are adjustable making the mower comfortable to handle See Specifications Capacities on page 45 and Features Benefits on page 48 for additional information...

Page 11: ...g actions are suggested 1 Discuss the matter with your dealership service manager making sure he is aware of any problems you may have and that he has had the opportunity to assist you 2 If you are still not satisfied seek out the owner or general manager of the dealership explain the problem and request assistance 3 For further assistance write to Land Pride Service Department 1525 East North Str...

Page 12: ...nections can damage the mower s electrical system and cause battery cables to spark Sparks around a battery can result in a battery gas explosion and personal injury Always disconnect negative black battery cable before disconnecting positive red cable Always reconnect positive red battery cable to the positive post before reconnecting negative black cable to the negative post WARNING Keep battery...

Page 13: ...93 1 2 4 5 6 7 8 9 3 3 12 14 16 17 8 18 10 11 13 15 19 20 20 21 21 1 Control Panel See Figure 2 2 on page 12 2 Battery Located under the seat 3 Control Levers 4 Deck Height Indicator 5 Discharge Chute Guard 6 Right Deck spindle Cover Guard 7 Left Deck spindle Cover Guard 8 Anti Scalp Wheels 9 Deck Height Gauge Bar 10 Floor Platform Guard 11 Deck Lift Pedal 12 Tethered Fuel Cap 13 Fuel Tank 14 Seat...

Page 14: ...ty start interlock system daily prior to operation Page 16 Perform all Maintenance and Lubrications Refer to Section 5 Maintenance Lubrication Page 28 Make sure there are no hydraulic leaks on the unit Refer to Avoid High Pressure Fluids Hazard Page 2 Check blade for nicks and sharpness Refer to Mower Blade Maintenance Page 40 Check mower initially and periodically for loose bolts and pins Refer t...

Page 15: ...rk brake lever is set to ON before spreading both control levers OUT or if one or both control levers are moved IN before moving park brake lever to OFF Control Levers Refer to Figure 2 3 Figure 2 4 The control levers are used to steer accelerate decelerate stop and change direction of travel Always move both control levers to neutral and OUT before setting park brake to ON Always leave park brake...

Page 16: ...e Refer to Figure 2 6 Each hydro drive is equipped with a bypass valve for the purpose of moving the mower when the engine is inoperable Both bypass valve rods are located at the rear of the engine platform 1 Pull back and up on one of the bypass valve rod loop ends Continue to hold the loop end up against the engine platform while releasing the rod The upturned ends on the loop should catch on th...

Page 17: ...our local Land Pride Dealer 1 Before starting the engine make sure a Blade engagement switch is OFF b Both control levers are positioned OUT c Park brake is ON 2 Set speed control to approximately 1 2 open throttle 3 Insert key into ignition switch and rotate clockwise to engage starter motor Release key when engine starts 4 Perform test to make sure safety start interlock system is operating prop...

Page 18: ... one or both control levers IN or if blade engagement switch is ON IMPORTANT The operator must be on the seat when testing the switches Contact your local Land Pride Dealer if the problem cannot be resolved 3 Replace park brake switch if starter motor did turn and if no other cause can be determined Control Lever Switches 1 With blade engagement switch OFF control levers fully OUT and park brake O...

Page 19: ... stop Ref Frame 2 Spread both control levers fully apart and engage the park brake Ref Frame 1 To Steer Refer to Figure 2 8 To Steer Straight While Traveling Forward Ref Frame 3 Push control levers forward an equal distance To Steer Straight While Backing Up Ref Frame 4 Pull control levers rearward an equal distance To Turn Left While Traveling Forward Ref Frame 5 Move right control lever farther ...

Page 20: ...ING Always wear hearing protection safety glasses clothing that does not hang loosely and shoes or boots when operating this machine All shirts should be buttoned up the front and tucked in the trousers long sleeve shirts should be buttoned at the cuffs Some conditions may warrant extra safety gear be worn such as dust masks for dust inhalation and safety helmets WARNING Mower deck and operator pl...

Page 21: ...o the trailer and its park brake is locked Do not smoke or use electrical devices including cell phones while refueling When refueling use a UL listed container that has a screen or filter Set container on the ground before fueling to eliminate static discharge Do not use Methanol fuel Always maintain proper tire inflation See Tire Inflation Chart on page 53 Always disconnect negative battery term...

Page 22: ...own coming to a stop when you reach the neutral position Now slowly pull the levers back toward your body past neutral position The mower will reverse direction and increase in speed as you pull further back If you push one lever forward and pull one lever back the mower will do a zero turn in the direction of the steering lever closest to your body Now take a few moments in a safe open area to pr...

Page 23: ...inute dust particles are abrasive to close tolerance engine and hydraulic components Some repairs require the assistance of a trained service mechanic and should not be attempted by unskilled personnel Consult your Land Pride service center when assistance is needed Torque Requirements Refer to Torque Values Chart on page 52 to determine correct torque values when tightening hardware See Additiona...

Page 24: ...Disengage blade switch and turn ignition switch off 2 Position control levers in neutral position as shown 3 Remove fan mounting hardware and fans 4 if jam nuts 3 are not easily accessible 4 Loosen jam nuts 3 at both ends of linkage rods by 5 or more full turns approximately 1 4 5 Using the flat area 1 on the linkage rods rotate rods to lengthen or shorten them until the levers align with the neut...

Page 25: ...ually aligned while in forward travel position instead of neutral position 1 While driving forward make the necessary steering correction required to make the unit go straight and take careful notice of how the upper control levers are positioned The distance one lever is ahead of the other to make the mower travel straight 2 Stop the mower on a level surface place control levers in neutral set pa...

Page 26: ...ention spring 4 by tightening up eyebolt 2 Replace deck belt when it becomes excessively worn or damaged Instructions for replacing the deck drive belt are provided on page 32 Vary spring length by adjusting length of eye bolt 2 Additional adjustments to the spring length can be made by changing which hole in Arm 1 the spring is attached There are two holes for this adjustment 1 With deck cutting ...

Page 27: ...rque Support Blocks Placement Under 40 Deck Figure 3 8 Support Blocks Placement Under 48 Deck Figure 3 9 33262 Idler Pulley Not Shown for clarity 33262 Idler Pulley Not Shown for clarity Deck Cutting Height Leveling 48 Deck Shown Figure 3 10 33186 3 Deck Cutting Height And Leveling Refer to Figure 3 10 WARNING Make sure blade engagement switch is OFF switch key is OFF and removed from ignition swi...

Page 28: ... 3 up or down in mounting bracket 1 See important note below 5 Secure anti scalp rollers to mounting bracket s 1 with 1 2 13 hex nylock nut s 2 Tighten nut s to the correct torque Anti Scalp Roller Adjustment Figure 3 9 IMPORTANT The anti scalp rollers will extend below the deck bottom the distance shown below when mounted in the following holes even with the deck bottom in the top hole 1 2 below ...

Page 29: ...ZST 357 484A MULCH KIT 48 ZST Mulching Blades 890 702C MWR BLD MULCH 1 4X20 91SD CW 40 ZST 890 700C MWR BLD MULCH 1 4X16 87SD CW 48 ZST Inductive Tachometer 890 909C TACHOMETER INDUCTIVE Attaches to the spark plug on single and twin cylinder engines for checking engine speed Engines operating at optimal speed stay cooler and preform better NOTE Mulching Kit includes baffles and mounting hardware o...

Page 30: ...ly requiring engine power should be performed by trained personnel only Control levers should be out If control levers are to be operated the tires should be properly supported off the floor Enclosed areas should be properly ventilated to prevent carbon monoxide poisoning DANGER Before working on or under the deck make certain blade engagement switch has been shut off deck has been properly blocke...

Page 31: ... above situations can cause serious damage to the equipment and or personal injury It is recommended that the following be checked after the first 2 hours of initial operation and after removal for repair or replacement Thereafter they should be checked every 50 hours of operation Blade bolts See item 2 on page 40 Electric Clutch bolt See item 16 in list of components on page 33 Wheel lug nuts See...

Page 32: ...er hours indicated in column or monthly whichever comes first X A Service per hours indicated in column or annually whichever comes first Maintenance Schedule Service at Intervals Indicated Every 25 Hrs Every 50 Hrs Every 100 Hrs Every 200 Hrs Every 500 Hrs Refer to Page Clean mower Deck Engine Cooling System Daily After engine has cooled Verify Safety Start Interlock System Daily Before each use ...

Page 33: ...cian immediately Acid will also damage clothing WARNING Do not overfill battery Electrolytes may overflow and damage paint wiring and structure Use soap and water when cleaning the battery Be careful not to get soap and water into the battery Use soda mixed in water to clean corrosion off the terminals 33169 12 Volt Battery Black Battery Cable Red Battery Cable WARNING Do not allow an open flame n...

Page 34: ...wer and slip excessively Never pry a belt onto a pulley as this will cut or damage the fibers of the belt covering Keep oil and grease away from belts and never use belt dressings Any of these will destroy the belt composition in a very short time Deck Drive Belt Installation Refer to Figure 5 5 or Figure 5 6 on page 33 1 Park mower on a flat surface 2 Make sure blade engagement switch is OFF cont...

Page 35: ...ch 10 Tension eye bolt 11 Tension idler spring 12 Idler arm 13 12V Electric Clutch Engages pulley 2 14 Thick Washer 15 Lock Washer 16 Clutch bolt 33195 ZST40 Deck Drive Belt Layout Figure 5 6 1 Ground drive pulley 2 Deck drive pulley 3 Deck drive belt 4 Deck belt idler pulley 5 Deck blade spindle pulley 6 Tension idler pulley 7 Over center tensioner 8 Hitch Pin 9 Over center release Use 3 4 socket...

Page 36: ... arm 2 as spring 3 is in tension and will snap pulley back into position Ground Drive Belt Layout Figure 5 7 1 Take up pulley 2 Take up pivot arm 3 Take up Spring 4 Ground drive belt 5 Idler Pulley 6 Clutch Locking Bracket 7 Ground drive pulley 8 Take up eye bolt 9 Jam nut 10 Take up nut 11 Deck drive pulley 12 Transaxle mounting bolts 13 Wheel lug nuts 14 Neutral return spring 15 Pump pulleys 16 ...

Page 37: ...oil specifications IMPORTANT Do not use a high pressure washer on or around the hydraulic transaxles Water intrusion will result and void the warranty IMPORTANT Oil changes and repairs to a transaxle unit should be performed by trained technicians only NOTE The transaxle units are equipped with bypass valves For more information refer to Moving Mower with Stalled Engine on page 14 IMPORTANT A tran...

Page 38: ...els and travels at normal speeds Fuel System Refer to Figure 5 10 The fuel tanks are located on the mower s fenders Total capacity of the fuel tanks is 3 U S gallons Fill tank when fuel shows low in the fuel sight gauge Before filling push blade engagement switch OFF move both control levers OUT set park brake ON and turn switch key OFF Allow engine to cool before filling tank IMPORTANT Before pur...

Page 39: ...liant on the required January 1 2012 date Mowers that are EPA compliant now have a decal on them stating This Equipment meets U S EPA Evap Standards The Evaporative Emission Control System requires no regularly scheduled maintenance but should be inspected periodically and thoroughly examined at least once a year at the beginning of the mowing season 1 Inspect all fuel system components including ...

Page 40: ...ecking oil Incorrect oil levels can cause engine problems 4 If oil level on the dipstick is near or below the lower limit mark then add recommended oil until it reaches the full mark Do not overfill 5 Reinstall oil filler cap dipstick by screwing it in firmly Change Engine Oil Refer to Figure 5 12 1 Park unit on a flat surface Make sure blade engagement switch is OFF both control levers are OUT an...

Page 41: ...pon cleaning or servicing a used filter in any manner Land Pride does not warranty dust induced engine damage if a used air filter element has been cleaned or serviced in any manner NOTE Do not operate engine with a damaged air filter or without an air filter element Dirt will enter the engine causing dust induced engine damage NOTE Do not block air intake to the filter such as setting an object i...

Page 42: ... mower blade 4 from spindle assembly 1 3 Continue with Blade Sharpening on this page Blade Removal Installation Illustration Figure 5 13 IMPORTANT Blade mounting bolts have right hand threads Turn blade bolts counterclockwise to loosen and clockwise to tighten 33251 Cutting Edge Blade Sharpening DANGER Keep blades balanced when sharpening An unbalanced blade may come loose and fly out from under t...

Page 43: ...de rotates downward grind remove metal on that end until the blade will balance horizontally on the nail or shaft c Resharpened blades can be installed after they have been properly sharpened and balanced Blade Balancing Figure 5 18 Blade Installation Refer to Figure 5 13 on page 40 WARNING When mounting blades rotate them after installation to ensure blade tips do not touch each other or sides of...

Page 44: ...spark plug hole Install plugs but do not reconnect plug leads h Crank engine with starter at least a dozen revolutions to distribute oil over cylinder walls and valve mechanism i Clean dirt and chaff from cylinder fins blower housing and muffler j Clean exterior surface of engine Spread a light film of oil over any exposed metal surfaces of engine that are subject to corrosion k Check oil fill cap...

Page 45: ...Multi purpose Grease Quantity As required ZST48 Deck 33222 ZST40 Deck 33210 ZST48 Deck 33222 ZST40 Deck 33210 25 Hours 25 Hours Right Blade Spindle Access through rubber slit in pulley cover 1 Zerk Type of Lubrication Multi purpose Grease Quantity As required 50 hrs Multi purpose spray lube Multi purpose grease lube Multi purpose oil lube Intervals in hours at which lubrication is required Lubrica...

Page 46: ...tion Multi purpose Grease Quantity As required every 100 hours or monthly whichever comes first 33196 25 Hours Center Blade Spindle ZST48 only Lower Deck fully down to access under the floor platform 1 Zerk Type of Lubrication Multi purpose Grease Quantity As required Caster Wheel Bearing Located on hub of caster wheel 2 Zerks One on each caster wheel Type of Lubrication Multi purpose Grease Quant...

Page 47: ...lacement 603cc 603cc 501cc 540cc Compression Ratio 8 1 1 8 1 1 N A N A Spark Plug No BPR4ES NGK N A Oil Capacity with Filter Change 1 8 US quarts 1 7L 1 5 US qts 1 4L Oil Type SAE 10W 30 Oil Filter Part No 831 073C 831 091C 831 053C Fuel Filter Part No 831 031C 831 031C Air Filter Part No 831 092C 831 093C 831 094C Pre Filter Part No N A 831 095C 831 096C Hydrostatic Transaxle Specifications Mower...

Page 48: ... sealed fuel system which incorporates a non vented fuel cap Evaporative emissions are vented to the engine where they are combusted during normal engine operation Seat Standard black seat Mainframe Construction Welded steel square tubing Front Caster Wheels Free turning with sealed for life ball bearings Front Caster Fork Construction 3 8 steel Deck Thickness 11 Gauge decks with 11 gauge doubler ...

Page 49: ...47 Section 6 Specifications Capacities ZST40 ZST48 Zero Turn Mowers 357 505M Table of Contents 9 09 11 74 1 4 41 ZST40 52 1 4 ZST48 65 1 2 33192 ...

Page 50: ...Single Kevlar drive belts Drive belts made with KevlarTM fiber provide long belt life One hydrostatic pump drive belt and one deck drive belt is easier to maintain and not as expensive as multiple belt designs 1 3 8 blade spindles mounted in ductile iron housings Blade spindles and spindle housings are designed to handle heavy shock loads Accessible blade spindle zerks Makes greasing the blade spi...

Page 51: ...p blade rotation Engine cannot be started with blade engagement switch in on position Bolted on floor platform Provides service access to topside deck components Requires removal of only 4 bolts for quick access EPA Compliant Mowers EPA approved 3 gallon fuel tank with sight gauge vent valve and extra large tethered fuel cap 3 Gallon fuel capacity for plenty of operating range and decreased down t...

Page 52: ...ngine speed with Land Pride Inductive Tachometer Part No 890 909C Belt over center take up is loose Tension over center take up Worn or broken belt Replace worn and broken belt See Belt Maintenance on page 32 Deck is not level Check air pressure in all 4 tires Make level adjustments to the deck See Deck Cutting Height And Leveling on page 25 Loss of power or system will not operate in either direc...

Page 53: ...linkage is out of adjustment Adjust linkage See Steering Adjustments on page 22 Mower circles or veers in one direction Tires are not inflated properly Inflate tires to the correct tire pressure Steering linkage is bent or needs adjustment Adjust linkage See Steering Adjustments on page 22 Bypass assembly is sticking See your dealer Mower travels only in one direction Steering linkage is bent or n...

Page 54: ...0 560 1050 780 1 8 340 250 875 645 1230 910 M24 X 2 525 390 830 610 1150 845 1 12 370 275 955 705 1350 995 M30 X 3 5 960 705 1510 1120 2100 1550 1 1 8 7 480 355 1080 795 1750 1290 M30 X 2 1060 785 1680 1240 2320 1710 1 1 8 12 540 395 1210 890 1960 1440 M36 X 3 5 1730 1270 2650 1950 3660 2700 1 1 4 7 680 500 1520 1120 2460 1820 M36 X 2 1880 1380 2960 2190 4100 3220 1 1 4 12 750 555 1680 1240 2730 2...

Page 55: ...53 Section 9 Torque Tire Inflation Charts ZST40 ZST48 Zero Turn Mowers 357 505M Table of Contents 9 09 11 Tire Inflation Chart Tire Inflation PSI Drive Wheels 8 to 12 Caster Wheels 8 to 12 ...

Page 56: ... Control Components Refer to Figure 10 1 1 GROMMET FUEL TANK FITTING NOT AVAILABLE SEPARETLY 2 CAP NON VENTED FUEL 3 GAS TANK FITTING W NUT WASHER 4 EPA VALVE NOT AVAILABLE SEPARETLY 5 RETAINER PUSHIN HOSE 56ID 6 CLAMP PINCH FOR 50 OD HOSE 7 CLAMP WRM DRV 21 63 8 TANK LH FUEL 9 FUEL FILTER 10 HOSE RUBBER 25 ID 5 OD SAE30R7 11 HOSE RUBBER 25 ID 5 OD SAE30R7 12 SV KIT EPA VALVE GROMMET ...

Page 57: ...ranty is limited to the replacement of any defective part by Land Pride and the installation by the dealer of any such replacement part and does not cover common wear items such as blades belts tines etc Land Pride reserves the right to inspect any equipment or parts which are claimed to have been defective in material or workmanship This Warranty does not apply to any part or product which in Lan...

Page 58: ...Corporate Office P O Box 5060 Salina Kansas 67402 5060 USA www landpride com ...

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