Multiquip b46s90 Manuel D’Utilisation

Engine running rough or not at all.

Engine ON/OFF Switch in "OFF" position 

or malfunctioning?

Make sure that the Engine ON/OFF Switch is ON 

or replace switch if necessary.

Centrifugal ON/OFF Switch in "OFF" 

position or malfunctioning?

Place centrifugal stop switch in "ON" position. 

Check wiring. Replace switch if necessary.

Fuel?

Look at the fuel system. Make sure there is fuel 

being supplied to the engine. Check to ensure that 

the fuel fi lter is not clogged.

Ignition?

Check to ensure that the ignition switch has power 

and is functioning correctly.

Loose wire connections

Check wiring. Replace or repair as necessary.

Bad contacts in ON/OFF switch?

Replace ON/OFF switch. 

Trowel bounces, rolls concrete, or makes 

uneven swirls in concrete.

Blades?

Make certain blades are in good condition, not 

excessively worn. Finish blades should measure 

no less than 2"" (50mm) from the blade bar to 

the trailing edge, combo blades should measure 

no less that 3.5"" (89mm). Trailing edge of blade 

should be straight and parallel to the blade bar.

Pitch adjustment?

Check that all blades are set at the same 

pitch angle as measured at the spider. A fi eld 

adjustment tool is available for height adjustment 

of the trowel arms. (Contact Parts Dept.)

Bent trowel arms?

Check the spider assembly for bent trowel arms. 

If one of the arms is even slightly bent, replace it 

immediately.

Spider?

Check fi t of arms in spider. This can be done by 

moving the trowel arms up and down. If there is 

more than 1/8 inch (3.2 mm) of travel at the tip of 

the arm, the spider and arms should be replaced. 

Thrust collar?

Check the fl atness of the thrust collar by rotating 

it on the spider. If it varies by more than 0.02 inch 

(0.5 mm) replace the thrust collar.

Thrust collar bushing?

Check the thrust collar by rocking it on the spider. 

If it can tilt more than 3/32 inch (2.4 mm) - as 

measured at the thrust collar O.D., replace the 

thrust collar.

Thrust bearing worn?

Check the thrust bearing to see that it is spinning 

freely.  Replace if necessary.