Checking The Pump Level Sight Gauges; Changing The Engine Oil; Changing The Oil Filter; Adding Coolant - Generac Power Systems MAGNUM MTP4SZ Owner's Manual

WARNING
Risk of burns. Allow engine to cool before
draining oil or coolant. Failure to do so
could result in death or serious injury.
Pull out the dipstick and wipe off with a lint-free,
1.
clean cloth.
Insert the dipstick into the engine again as far as it
2.
will go.
Pull out the dipstick again and read the oil level.
3.
The oil level must always be between the MIN and
MAX marks. Add oil up to the MAX mark if
necessary.
CAUTION
Engine damage. Verify proper type and quantity of
engine oil prior to starting engine. Failure to do so
could result in engine damage.

Checking the Pump Level Sight Gauges

Check that oil is visible in the sight glass for the mechanical
seal and bearing frame. (It is recommended that the sight
glasses be checked daily.) If no oil is visible, oil will need
to be added.
Adding Oil:
Shut down the unit.
1.
Remove the air breather in the bearing frame and
2.
add oil until halfway up the sight glass (gauge).
Remove the air breather in the mechanical seal
3.
and add oil until halfway up the sight glass (gauge).
NOTE: Keep dirt and moisture out when adding oil. DO
NOT OVERFILL.
Install the air breather.
4.
Draining Oil
Shut down the unit.
1.
Place a suitable container under the mechanical
2.
seal and bearing frame drain plugs.
Remove the mechanical seal and bearing frame
3.
drain plugs.
Drain the oil completely.
4.
Install the seal and bearing drain plugs.
5.
Follow the instructions above for adding oil.
6.

Changing the Engine Oil

Warm up the engine (oil temperature greater than
1.
176 °F (80 °C).
Owner's Manual for Wet-Prime Trash Pumps
Verify the engine is in a level position.
2.
Turn the engine off.
3.
Place a collecting receptacle underneath the lube
4.
oil drain.
Open the oil drain valve and drain the oil into the
5.
(000139)
receptacle.
After the oil has drained completely, close the oil
6.
drain valve.
Remove the engine oil fill cap and add the
7.
recommended amount and type of oil. Refer to the
engine manual for specifications.
Warm up the engine (oil temperature greater than
8.
176 °F (80 °C)).
Verify the engine is level and check the oil level.
9.
Refer to

Changing the Oil Filter

NOTE: The filter cartridge should never be pre-filled.
There is a danger of dirt contamination.
(000135)
Loosen and unscrew the filter with filter tool. Refer
1.
to engine manual for more information.
Collect the draining engine oil.
2.
Clean the sealing surface of the filter support with a
3.
lint-free, clean cloth.
Oil the gasket of the new filter cartridge lightly.
4.
Screw on the new filter by hand until the gasket is
5.
touching and then torque to 11-13 ft-lbs (15-17
Nm).

Adding Coolant

Visually check the coolant level in the sight glass
1.
located near the top of the radiator. If coolant is not
visible, coolant will need to be added to the sys-
tem.
Let engine cool (not at operating temperature, not
2.
running), before adding coolant.
Add a 50/50 mixture of the correct antifreeze and
3.
distilled or deionized water to the coolant system.
Add until it is 3/4 in. (19 mm) below the filler neck.
Risk of burns. Do not open coolant system
until engine has completely cooled.
Doing so could result in serious injury.
Checking the Engine Oil.
WARNING
Maintenance
(000154)
43