Stow manual STR36SP-SERIES Maintenance

STR36SP-SERIES — MAINTENANCE

Maintenance

When performing any maintenance on the trowel or engine, follow all safety messages and rules for safe operation stated at the beginning of this manual.

WARNING

Accidental starts can cause severe injury or death.

ALWAYS place the ON/OFF switch in the

OFF position.

Disconnect and ground spark plug leads and disconnect negative battery cable from battery before servicing.

Maintenance Schedule

1.Check and retighten all fasteners as necessary.

Daily (8-10 Hours)

1.Check the fluid levels in the engine and gearboxes, fill as necessary. Check Air Cleaner. See section on Air Cleaner servicing.

Weekly (30-40 Hours)

1.Relube arms, thrust collar and steering links.

2.Replace blades if necessary.

3.Check and clean or replace the engine air filter as necessary. (See following section on Air Filter Maintenance.)

4.Replace engine oil and filter as necessary. (See following section on Oil and Filter.)

Monthly (100-125 Hours)

1.Remove, clean, reinstall and relube the arms and thrust collar. Adjust the blade arms.

2.Replace gearbox lubricant after the first 100 hours of operation. Replace every 500-600 hours thereafter.

3.Check drive belt for excessive wear. (Refer to following section on Drive Belt maintenance.)

Yearly (500-600 Hours)

1.Check and replace if necessary the arm bushings, and thrust collar bushings, shaft seals and belts.

2.Check pitch control cables for wear.

3.Replace gearbox lubricant.

Air Cleaner (Daily)

Thoroughly remove dirt and oil from the engine and control area.Clean or replace the air cleaner elements as necessary. Check and retighten all fasteners as necessary.

1.Release the four latch tabs (Figure 12) from the air cleaner cover, and remove the cover.

Figure 12. Air Cleaner Components

2.Remove the foam filter from the cover.

3.Remove the paper filter from the air cleaner case.

4.Inspect both air filter elements, replace them if necessary.

5.To clean the paper air filter, tap the filter element several times on a hard surface to remove dirt, or blow compressed air (not to exceed 30 psi (207 kPa, 2.1 kgf/cm2) through the filter element from the air cleaner case side.

6.NEVER! try to brush off dirt; brushing will force dirt into the fibers. If the paper element is excessively dirt, replace element.

7.Clean the foam air filter element in warm soapy water, rinse and allow to dry thoroughly. Or clean with a nonflammable solvent and allow to dry. DO NOT pour any type of oil into the foam element.

8.Wipe dirt from the inside of the air cleaner body and cover, using a moist cloth. Be careful not to let any dirt or debris to enter the air chamber that leads to the carburetor.

9.Reinstall the foam air filter element to the air cleaner cover, then reinstall the paper air filter element and cover to the air cleaner case. Securely latch the four hook tabs on the air cleaner cover

STR36SP- SERIES • RIDE-ON POWER TROWEL — OPERATION AND PARTS MANUAL — REV. #1 (09/16/11) — PAGE 25