General Inspection
The following maintenance guidelines are intended to assist the operator in preventative maintenance. For a more detailed maintenance schedule refer to the Hatz Engine Instruction Manual supplied with the pump.
At least daily or prior to each use, the MQ41TDH trash pump cover should be removed, and the pump should be cleaned and inspected for deficiencies. Check for loose, missing or damaged nuts, bolts or other fasteners. Also check for fuel or oil leaks, and remove any debris stuck in the impeller or volute.
Check Oil Level
Check the engine crankcase oil level prior to each use, or when the fuel tank is filled. Make sure the pump is level.The oil level must be between the two notches on the dipstick as shown in Figure 7.
OIL DIPSTICK
SAFE OPERATING
OIL LEVEL
MAX
ADD ENGINE OIL
MIN
Figure 7. Engine Oil Dipstick
Changing Engine Oil
Change engine oil after first 25 hours of operation. Drain and refill engine crankcase with the correct type and amount oil (reference Table 3) after 250 hours of operation hours or once a week thereafter.
When draining engine crankcase oil, place oil into a suitable container while engine is still warm. Replace the drain plug tightly. Add oil through the filler hole.
MQ41TDH — MAINTENANCE
Changing Oil Filter
Change the engine oil filter (Figure 8) and gasket after 250 hours of operation. To gain access to the oil filter element, unscrew the oil filter cap and replace the oil filter element. Make sure to tighten oil filter cap securely.
Figure 8. Oil Filter Element
Fuel Filter
Replace fuel filter (Figure 9) and drain fuel tank to remove water and sediment every 500 hours. If the purity of the fuel being used is of lesser quality replace fuel filter more often as needed.
Figure 9. Fuel Filter
NOTE
When
MQ41TDH TRASH PUMP — PARTS & OPERATION MANUAL — REV. #3 (04/02/07) — PAGE 19
