Kubota B3300SU Operator's Manual page 27

6. Set the throttle lever to about 1/2 way.
(1) Hand throttle lever
7. Insert the key into the key switch and
turn it "ON".
(A) "OFF"
(B) "ON"
"INCREASE"
"DECREASE"
(C) "PREHEAT"
(D) "START"
OPERATING THE ENGINE
C Check Easy Checker(TM) lamps:
1. When the key is turned "ON", lamps (3) (4) should
come on. If trouble should occur at any location while
the engine is running, the warning lamp corresponding
to that location comes on.
(1) Easy checker(TM)
(2) Key switch
(3) Engine oil pressure
(4) Electrical charge
(5) Glow plug indicator
A Daily checks with the Easy Checker(TM) only are not
sufficient. Never fail to conduct physical daily checks
carefully by referring to "DAILY CHECK" section.
(See "DAILY CHECK" in "PERIODIC SERVICE"
section.)
8. Fully depress the clutch pedal, turn
the key to "PREHEAT" position and
hold it for about 2 to 3 seconds.
Temperature
Over 0 C (32 F)
0 to -5 C (32 to 23 F)
-5 to -15 C (23 to 5 F)
A Glow plug indicator (5) comes on while engine is being
preheated.
11
Preheating Time
2 to 3 sec.
5 sec.
10 sec.