Kubota D650-B Handbuch Seite 84

[AI When contact pleta ill clolllCl
OOllF175
• When contact plate is closed:
When the contact plate is closed, a large current flows
through the motor section to generate a large mechanical
power which turns the engine crankshaft.
At this time, the pinion is moved forward by the screw spline
for more contact.
Since the pull-in coil ends are short-circuited by the contact
plate, the plunger is held only by the force of the holding
coil.
[A] When key IWltch is feleoed
OOllF176
• When key switch is released:
When the key switch is released, a current flows instanta­
neously through the pull-in coil in the opposite directipn as
shown in Fig. Therefore, the forces of the holding coil and
pUll-in coil are balanced. As a result, the plunger is
returned by the return spring. Simultaneously, the pinion is
disengaged from the ring gear, the contact plate is discon­
nected, and the starter is promptly stopped by the armature
brake.
[A] Constfuction of baf glow plug
(3)
OOIlFl77
(2) Glow Plugs
Glow plugs are used for each pre-combustion chamber of the
cylinder head to make starting easier. The glow plugs are
quick-heating type, which make starting easier with short
pre-heating time.
(1)
Housing
(21 Mml tube
(31 Insulating powder
(4) Heat coil
88