Service Manual

Magnetic Switch Pull–In Test
1. Disconnect the wire from terminal ”M”.
2. Connect a 12 volt battery to the magnetic switch ter-
minals ”50” and ”M”. The pinion must protrude.
IMPORTANT: Lead wire must be disconnected from
terminal
”M” for this test.
To prevent switch coil from overheating, never ap-
ply battery voltage for longer than 10 seconds.
Figure 63
Magnetic Switch Hold–In Test
1. Disconnect the wire from terminal ”M”.
2. Connect a 12 volt battery to the magnetic switch ter-
minal ”50
” and the body of the magnetic switch. Pull out
the pinion fully. The pinion must remain at that position
even when released.
IMPORTANT: To prevent switch coil from overheat-
ing, never apply battery voltage for longer than 10
seconds.
Figure 64
Magnetic Switch Return Test
1. Disconnect the wire from terminal ”M”.
2. Connect a 12 volt battery to the magnetic switch ter-
minal ”
M” and the body of the magnetic switch. Pull out
the pinion fully. The pinion must return to its original posi-
tion when released.
IMPORTANT: To prevent switch coil from overheat-
ing, never apply battery voltage for longer than 10
seconds.
Figure 65
Liquid Cooled
Gas Engine
Workman 3000/4000 Series Page 3 – 43 Liquid Cooled Gas Engine