HPLA/HPHA-SERIES 46"TROWEL — 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 38), 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 38. Spark Plug Gap

ENGINE OIL

1.Drain the engine oil when the oil is warm as shown in Figure 39.

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 3. Engine oil capacity is 1.16 quarts (1.1 liters). DO NOT overfill.

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 40.

2.Tap the paper filter element (Figure 40) 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.Cleanfoamelementinwarm,soapywaterornonflammable solvent. Rinse and dry thoroughly. Dip the element in clean engineoilandcompletelysqueezeouttheexcessoilfromthe element before installing.

Figure 40. Engine Air Cleaner

Figure 39. Engine Oil (Draining)

HPLA/HPHA-SERIES 46" WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #6 (07/06/10) — PAGE 31

Page 31
Image 31
Multiquip HPHA46411H, HPLA46411H HPLA/HPHA-SERIES 46TROWEL Maintenance Engine, Daily, Weekly, Engine OIL, Engineaircleaner