Z master g3 series with a 48in, 52in, 60in or 72in turbo force side discharge mower (68 pages)
Summary of Contents for Toro 74163
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Form No. 3329–863 Z149 and Z153 Z Master with 52in SFS Side Discharge Mower Model No. 74163—Serial No. 240000001 and Up Model No. 74167—Serial No. 240000001 and Up Operator’s Manual Original Instructions (EN) Register your product at www.Toro.com...
Authorized Service This product is capable of amputating hands and feet and Dealer or Toro Customer Service and have the model and throwing objects. Always follow all safety instructions to serial numbers of your product ready. Figure 1 illustrates avoid serious injury or death.
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Use extra care when handling gasoline and other fuels. Use care when approaching blind corners, shrubs, trees, They are flammable and vapors are explosive. or other objects that may obscure vision. Use only an approved container Slope Operation Never remove gas cap or add fuel with engine running.
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Wear protective clothing and use insulated tools. Keep all parts in good working condition and all hardware tightened. Replace all worn or damaged decals. Use only Toro-approved attachments. Warranty may be voided if used with unapproved attachments.
Safety and Instruction Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or lost. 1-643401 1-633818 1–653140 43-8480 1–653147 66-1340 1-523552...
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67-5360 65–2690 98-4387 1. Warning—wear hearing protection. 93-1122 98-5954 93-7818 1. Warning—read the Operator’s Manual for instructions on 103–0262 torquing the blade bolt/nut to 115–149 N m (85–110 ft-lb). 104-4163 1. Explosion hazard 4. Wear eye protection 5. Read the Operator’s 2.
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104-8569 99-3943 1. Engine 103–2644 104-4164 1. Contains lead; do not 4. No sparks, flame, or 6. Flush eyes immediately with 8. Minimum fill line discard. smoking water and get medical help 9. Instructions for activating the fast. 2. Recycle 5.
Gasoline and Oil Recommended Gasoline Warning Use UNLEADED Regular Gasoline suitable for automotive use (85 pump octane minimum). Leaded regular gasoline Gasoline is harmful or fatal if swallowed. may be used if unleaded regular is not available. Long-term exposure to vapors can cause serious injury and illness.
Operation Note: Determine the left and right sides of the machine from the normal operating position. Using the Rollover Protection System (ROPS) m–6836 Figure 2 Warning 1. Full down position 2. Down position with bagger installed To avoid injury or death from rollover: keep the roll bar in the raised locked position and use the seat belt.
7. Tighten the front handles against the center roll bar ends (Fig. 3). m–6897 Figure 4 1. Front handle Think Safety First m–6478 Figure 5 Please read all safety instructions and symbols in the safety 1. Safe Zone—use the 2. Use walk behind mower section.
Controls The unit has two fuel tanks. One tank is on the left side and one on the right side. Each tank connects to the fuel shut off valve in the control panel. From there a common fuel line Become familiar with all the controls (Fig. 7) before you leads to the engine (Fig.
m–4201 m–2719 Figure 11 Figure 12 m–4121 Figure 10 1. PTO—On 1. Choke—On 2. PTO—Off 2. Choke—Off 1. Parking brake—On 2. Parking brake—Off Starting and Stopping the Engine Starting the Engine 1. Sit down on the seat and move the motion controls to the neutral locked position.
The Safety Interlock System Important Make sure that the fuel shut off valve is closed before transporting or storing the machine, as fuel leakage may occur. Set the parking brake before Caution transporting. Make sure to remove the key as the fuel pump may run and cause the battery to lose charge.
5. Sitting on the seat, disengage the parking brake, move the PTO switch to Off, and move the motion control levers to the neutral lock position. Try starting the engine; the engine should not crank. Driving Forward or Backward The throttle control regulates the engine speed as measured in RPM (revolutions per minute).
Adjusting the Height-of-Cut 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. The height-of-cut is adjusted from 1-1/2 to 4-1/2 inch (38 to 114 mm) in 1/4 inch (6 mm) increments by relocating the 1.
4. Reinstall the bolt, center rollers, and nut (Fig. 19). Important Do not rotate the by–pass valves more than 1 turn. This prevents the valves from coming out of the body and causing fluid to run out. Changing to Machine Operation Turn the by-pass valves in to operate (Fig.
Transporting the Machine Warning Use a heavy-duty trailer or truck to transport the machine. Ensure that the trailer or truck has all necessary lighting Loading a unit onto a trailer or truck increases the and marking as required by law. Please carefully read all possibility of backward tip–over and could cause the safety instructions.
This also helps disperse clippings which enhances damaged or worn, replace it immediately with a genuine decomposition and fertilization. Toro replacement blade. Mow at Correct Intervals Normally, mow every four days. But remember, grass grows at different rates at different times. So to maintain the same cutting height, which is a good practice, mow more often in early spring.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule Maintenance Service Maintenance Procedure Interval Check hydraulic fluid level After First 5 Hours Change engine oil Change hydraulic filter Check engine oil level Check safety system Each Use Clean engine air intake...
File down any nicks and sharpen the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine Toro replacement blade. For convenient sharpening and replacement, you may want to keep extra blades on hand.
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(Fig. 28). If the blade stays in a horizontal machine, use genuine Toro replacement blades. position, the blade is balanced and can be used. If the Replacement blades made by other manufacturers may blade is not balanced, file some metal off of the end of result in non-conformance with safety standards.
m–1855 Figure 28 1. Blade 2. Balancer Installing the Blades 1. Install the blade onto the spindle shaft (Fig. 26). Important The curved part of the blade must be pointing upward toward the inside of the mower to ensure proper cutting. m–4369 2.
6. Remove the safety filter only if you intend to replace 3. Carefully slide the primary filter over the safety filter (Fig. 30). Ensure that it is fully seated by pushing on the outer rim of the filter while installing it. Important Never attempt to clean the safety filter.
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6. Slide the oil dipstick fully into the filler tube. Do not thread it onto the tube (Fig. 31). Pull the dipstick out and look at the end. If the oil level is low, slowly pour only enough oil into the filler tube to raise the level to the full mark.
5. Fill the crankcase with the proper type of new oil; refer Important Always replace the spark plug(s) when it to Servicing the Engine Oil, page 29. has a black coating, worn electrodes, an oily film, or cracks. Servicing the Spark Plug 2.
8. Install a new filter and move the hose clamps close to Note: Now is the best time to install a new fuel filter the filter (Fig. 37). because the fuel tank is empty. 9. Open the fuel shut-off valve on the console. 6.
Where to Add Grease 1. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. Lubricate the grease fittings as shown on the Check 2. Stop the engine, remove the key, and wait for all Service Reference Aid decal (Fig.
50 operating hours or monthly, whichever occurs first 7. If required, add fluid to the hydraulic tank. (Fig. 40). Check the tires when they are cold to get the most Note: The fluid level should be to the top of the hot level accurate pressure reading.
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Replacing the Hydraulic Filter Change the hydraulic filter: After the first 8 operating hours. After every 200 operating hours. Use summer filter above 32 F (0 C) Use winter filter below 32 F (0 C) 1. Disengage the PTO, move the motion control levers to m–1256 the neutral locked position and set the parking brake.
Checking the Hydraulic Lines 9. Apply slight rearward pressure on the motion control lever, turn the head of the adjustment bolt in the After every 100 operating hours, check hydraulic lines and appropriate direction until the control lever is centered hoses for leaks, loose fittings, kinked lines, loose mounting in neutral lock position (Fig.
Setting the Hydraulic Pump 3. Move motion control lever forward and reverse, then back to neutral. Wheel must stop turning or slightly Neutral Position creep in reverse. 4. Open throttle to fast. Make sure wheel remains stopped Note: Adjust handle neutral first. That has to be correct or slightly creeps in reverse, adjust if necessary.
6. Tighten the nuts at the ball joints (Fig. 45). Warning Electrical system will not perform proper safety shut off with jumper wire installed. Remove jumper wire from wire harness connector and plug connector into seat switch when adjustment is completed. Never operate this unit with jumper installed and seat switch bypassed.
Checking the Wheel Hub Leveling the Mower at Three Slotted Nut Positions Check after every 500 operating hours. Important There are only three measuring positions needed to level the mower. The slotted nut needs to be torqued to 125 ft–lb (170 N m). 1.
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9. Tighten the jam nut under the rear support arm and tighten the bolt securing the chain to the rear support arm. 10. Adjust the opposite side if needed. Adjusting the Front–to–Rear Mower Pitch 1. Position the right blade front-to-rear (Fig. 53). m–1078 2.
9. Tighten both swivel jam nuts against the front swivel to lock the height. 10. Check to make sure there is equal tension on the chains and adjust again if needed. Adjusting the Compression Spring 1. Raise the mower lift lever to the transport position m–6273 (Fig.
2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Remove the belt covers over the outside spindles. 4. Loosen the outer nut on the spring eye bolt (Fig. 57). M–4159 Figure 58 Top View...
Servicing the Battery Danger Warning Battery electrolyte contains sulfuric acid which is a deadly poison and causes severe burns. CALIFORNIA Do not drink electrolyte and avoid contact with skin, eyes or clothing. Wear safety glasses to Proposition 65 Warning shield your eyes and robber gloves to protect Battery posts, terminals, and related accessories your hands.
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Warning Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. Always Disconnect the negative (black) battery cable before disconnecting the positive (red) cable. Always Reconnect the positive (red) battery cable before reconnecting the negative (black) cable.
5. Wait five to ten minutes after filling the battery cells. Replacing the Grass Deflector Add distilled water, if necessary, until the electrolyte level is up to the upper line (Fig. 62) on the battery Warning case. 6. Reinstall battery vent caps. An uncovered discharge opening could allow the lawn mower to throw objects in the operator’s or Charging the Battery...
Return the switch to your Toro dealer if it is faulty and is being replaced or if the unit containing the switch is no longer operating and is being scrapped. If the switch is damaged or broken open, use extreme caution in handling.
Cleaning and Storage A. Add a petroleum based stabilizer/conditioner to fuel in the tank. Follow mixing instructions from stabilizer manufacture. Do not use an alcohol 1. Disengage the power take off (PTO), set the parking based stabilizer (ethanol or methanol). brake and turn the ignition key to off.
Troubleshooting Problem Possible Causes Corrective Action Starter does not crank. 1. Blade control (PTO) is 1. Move blade control (PTO) to engaged. Disengaged. 2. Parking brake is not on. 2. Set parking brake. 3. Operator is not seated. 3. Sit on the seat. 4.
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Problem Possible Causes Corrective Action Machine does not drive. 1. Traction belt is worn, loose or 1. Contact Authorized Service broken. Dealer. 2. Traction belt is off pulley. 2. Contact Authorized Service Dealer. 3. Hydro fluid level low. 3. Add hydro fluid to reservoir. Abnormal vibration.
If for any reason you are dissatisfied with your Distributor’s service or have difficulty obtaining guarantee information, contact the Toro importer. If all other remedies fail, you may contact us at Toro Warranty Company.