Bolens MTD7122B09 manual Maintenance, Engine, Troubleshooting

Page 15

STEERINGSHAFT

Lubricate steering shaft at least once a season with light oil.

ENGINE

Refer to the engine section of Iris manual for all engine

maintenance instructions.

CLEANINGENGINEAND BLADEHOUSING

Any fuel or 011spilled on the machine should be wiped off promptly. Grass, leaves, and other dirt must not be left to accumulate around the cooling fins of the engine or on any part of the machine

Clean the underside of the blade housing after each mowing.

CUTTINGBLADES

A. Removal for Sharpening or Replacement

-

FIGURE 17.

Steering Gears

A

WARNING: Be sure to disconnect and

 

ground

the spark plug wire and remove

 

ignition

key before working on the cutting

VARIABLESPEEDPULLEY

Lubricate needle bearings inside the variable speed pulley with light oil once a season. Also lubricate the bearings inside the pulley by putting a small amount of light oil ort the shaft. Then start the tractor, and with the shift lever in neutral, move the speed selector for- ward and backward which will move the center sheave and distribute the oil on the shaft. Be careful not to get oil on the sheaves of the pulleys or on the belts. which could cause the belts to slip.

TRANSAXLE

The transaxle is lubricated at the factory and does not require che(:king. If disassembled for any reason, lubricate with 10 oz. of Shell grease, part number 737-0148 (16 oz. package).

The rear axles may be lubricated once a season, us- ing the access hole on each side of the transaxle hous- ing. See figure 16. A push-type hand grease gun. equipped with a special flush coupler is required. Use Shell grease, part number 737-0148 (16 oz. package).

WHEELS

The f, Jnt wheels are provided with grease fittings. The rear wheels must be removed from the axle for lubrica- tion. Lubricate both front and rear wheels at least once a season with automotive multi-purpose grease.

PIVOT POINTS

Lubricate all pivot points with light oil at least once a

season.

MAINTENANCE

AWARNING: Disconnect the spark plug wire and ground against the engine before per- forming any repairs or maintenance.

TROUBLESHOOTING

Refer to page 24 of this manual for trouble shooting information.

blade to prevent accidental engine start-

ing. Protect hands by using heavy gloves

or a rag to grasp the cutting blades.

1. Remove the large bolt and lock washer which holds

the blade and adapter to the blade spindle.

2. Remove the blade and adapter from the spindle.

3. If the blade or blade adapter needs replacing.

remove the two small bolts, lock washers and nuts

which hold the blade to the adapter.

B. Sharpening

Remove the cutting blades by following the directions of the preceding section.

When sharpening the blades. follow the original angle of grind as a guide. It is extremely important that each cutting edge receives an equal amount of grinding to prevent an unbalanced blade. An unbalanced blade will cause excessive vibration when rotating at high speeds. may cause damage to the mower and could break, causing personal injury.

The blade can be tested for balance by balancing it on a round shaft screwdriver. Remove metal from the heavy side until it balances evenly

NOTE: It is recommended that the blade always be

r'emoved from the adapter for the best test of balance.

C. Reassembly

Before reassembling the blade and the blade adapter to the unit. lubricate the spindle and the inner surface of the blade adapter with light oil. Lubricating the bolt holes, bolts and inner surface of the nuts with light oil is also recommended. A 4 oz. plastic bottle of light oil lubricant is available. Order part number 737-0170. Engine oil may also be used.

When replacing blades, be sure to install the blade with the side of the blade marked "Bottom" (or with part number) facing the ground when the mower is in the

operating position.

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Contents MODEl. Number 93-7122.0130..61OF098 Thank you tolpurchasingan Amellcan-builtproductSafeSlope OperationGauge Practices MTD7122BO9~0 I.... ~ ~O~U~--GI II~Attached to Rf§!~Thread Steering Wheel CapRulesforsafe OPERAliON SYMBOl- a HeeditswarningUnpacking AssemblyBatteryinformation When working near batteriesActivatingthe Battery ATTACHINGTHESTEERINGWHEELHardwareB Battery TerminalInstallingthe BATTERYHardware a TubeTire Pressure AnACHINGTHECHUTEDEFLECTORWheelSteeri Attachingthe SEATHardware CLightswitch ControlsAmmeter Stoppingthe Engine Opera TionSTARTINGrHEENGINE INTERLOCKSNot ShownIng up SeatadjustmentDecklevelingadjustment Operatingthe CuttingbladesNeutraladjustment ~-~Rod End WheeladjustmentBrake ADJUSTMENTSee figure SteeringgearsMaintenance TroubleshootingEngine Beltremovalandreplacement ~/3Fuelfilter Page Tires StorageOFF-SEASON Jump StartingMIX OIL with Gasoline Throttle Pre-Cleaner~~~~ WasherLoad AdjustingSection ~ADJUSTMENTS Carburetor Adjustment DirtThis engine is single cylinder L-head. air-cooled type MixtureTo Check Operation Casing ClampStorage Instructions Plug Black WirePolarizedToAlternator~~~ --~-- I s Red736-0226 Parts List for Model MTD7122BO9 Lawn Tractor~! ~~~~~~~~J~ ~~j no617 ~~~ -.~~1. --.y ~i=~,~...~p8332fI~~ --- ,-- a ~~~~~-~-21Page =- == BI.C~ ~~~--i !!.O IREF1 Part101 ~ --63~9O7~ 18 B8 ~~~b~/A90 1 736-0414 91 58 1Spacer Inter. Cott-PinDE~CRIPTION.I Knob~I~~ Part DescriptionIllustra TED P Arts for Model MTD7122BO9 Lawn Tractor 22 \ \ ~~ ~~6 ModelAxle L.H No.1Wash. /41.0 Actuating Arm-A.HPage J09 ~ousin9l~nglh-f41 2~200--~~ ~rNO.1802 6653872.7 HOW and Where to Order Replacement Parts

MTD7122B09 specifications

The Bolens MTD7122B09 is a reliable and efficient garden tractor that caters to both residential and commercial users seeking a powerful machine for their lawn care needs. This model seamlessly blends user-friendly features and robust technologies, ensuring a seamless mowing experience.

One of the standout features of the Bolens MTD7122B09 is its powerful engine. Equipped with a reliable Briggs & Stratton engine, this tractor offers substantial horsepower and torque, allowing users to tackle even the toughest mowing tasks with ease. The engine is designed for durability and longevity, providing consistent performance year after year.

The cutting deck is another remarkable aspect of the MTD7122B09. With a 42-inch cutting width, it allows users to cover larger areas in less time, making it ideal for both small and medium-sized lawns. The deck features three blade cutting systems, allowing for precise cuts while providing a professional-looking finish. The ability to adjust the cutting height offers versatility, making it suitable for various grass types and terrains.

Comfort is a priority with the Bolens MTD7122B09, and this is reflected in its ergonomic seating and easy-to-use controls. The plush seat is designed to provide maximum comfort during long mowing sessions, while the conveniently located controls ensure users can operate the tractor effortlessly. The steering wheel is adjustable, catering to users of different heights.

In terms of technology, the Bolens MTD7122B09 incorporates innovative system features like a hydrostatic transmission, which delivers smooth shifting and eliminates the need for manual gear changes. This transmission technology enhances maneuverability, making it easy to navigate around obstacles in the yard.

Additionally, the tractor supports mulching capability, bagging, and side discharge, offering users multiple options for grass disposal. These features help maintain a tidy lawn while reducing the need for frequent clean-up.

For safety, the Bolens MTD7122B09 includes safety features such as an automatic shutdown when the operator leaves the seat, ensuring that the mower stops when it is no longer in control.

The Bolens MTD7122B09 is not just a lawn mower; it’s a robust gardening tool designed for efficiency and comfort. Its combination of powerful performance, user-friendly features, and innovative technology makes it an excellent choice for anyone serious about lawn care.
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