Stow SCT36, SCT46 operation manual Spark Plug Gap, Engine Air Cleaner

SCT SERIESTROWEL — MAINTENANCE (ENGINE)

Maintenance

Performtheenginemaintenanceproceduresasindicatedbelow:

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. Check the spring box and bellows for oil leaks. Repair or replace as needed.

WEEKLY

■Remove the fuel filter cap and clean the inside of the fuel tank.

■Remove or clean the filter at the bottom of the tank.

■Remove and clean the spark plug (Figure 30), then adjust the spark gap to 0.028 ~0.031 inch (0.6~0.7 mm).This unit has electronic ignition, which requires no adjustments.

Figure 30. Spark Plug Gap

ENGINE OIL

1.Drain the engine oil when the oil is warm as shown in Figure 31.

2.Remove the oil drain bolt and sealing washer and allow the oil to drain into a suitable container.

3.Replace engine oil with recommended type oil as listed in Table 4. DO NOT overfill. See Table 2 for oil capacity.

4.Install drain bolt with sealing washer and tighten se- curely.

DANGER :

DO NOT use gasoline as a cleaning solvent, because that would create a risk of fire or explosion.

ENGINEAIRCLEANER

1.Remove the air cleaner cover and foam filter element as shown in Figure 32.

2.Tap the paper filter element (Figure 32) several times on a hard surface to remove dirt, or blow compressed air [not exceeding 30 psi (207 kPa, 2.1 kgf/cm2)] through the filter elementfromtheaircleanercaseside.NEVER brushoffdirt. Brushingwillforcedirtintothefibers.Replacethepaperfilter element if it is excessively dirty.

3.Clean foam element in warm, soapy water or nonflammable solvent. Rinse and dry thoroughly. Dip the element in clean engineoilandcompletelysqueezeouttheexcessoilfromthe element before installing.

Figure 32. Engine Air Cleaner

Figure 31. Engine Oil (Draining)

SCT SERIES WALK-BEHIND TROWEL — PARTS & OPERATION MANUAL — REV. #4 (04/02/07) — PAGE 27