Tecumseh HM90 User Manual

STARTING (Continued) STOPPING (ContinuedI
® AFTER ENGINE IS STOPPED:
A. Close fuel valve (if so equipped - see Figure 2).
Figure 4
MAINTENANCE
AI'II_.~dI.i:
CD OIL LEVEL:
Check oil level every five (51 operating hours or each time engine
is used. See "CD FILL OIL SUMP OR CHECK OIL LEVEL" in
"BEFORE STARTING" on
Page 2.
ElECTRODES
Figure 5
® CHANGE OIL:
Change oil after first two (2) operating hours and every 25
operating hours thereafter, more often if operated in extremely
dusty or dirty conditions. Change oil while engine is still warm
from recent running.
h A .. DISCONNeCTSPARK PLUG WIRe. FflQMSPAftK
.. PLUGANDKEePIT"WAYFR(JMi$PAfIX~LUG/
B. Clean area around oil drain plug (see Figure 1).
C. Position equipment so engine oil drain plug is lowest point
on engine.
D. Remove oil drain plug and oil fill plug to drain oil.
E. Install oil drain plug and tighten securely.
F. Fill oil sump with recommended oil. See "OIL & FUEL
RECOMMENDATIONS" on Page 1 and Page 2 and "FILL
OIL SUMP
OR CHECK OIL LEVEL" on Page 2.
G. Install oil fill plug and tighten securely.
H. Wipe up any spilled oil.
® SPARK PLUG (see Figure 51:
Check spark plug yearly or every 100 operating hours.
A.
Clean area around spark plug.
B. Remove and inspect spark plug.
C. Replace spark plug if electrodes are pitted, burned or
porcelain is cracked. For replacement use Champion J-8C,
Autolite
356 or equivalent.
NOTE: In Canada, replace spark plug with a resistor plug.
D. Check electrode gap with wire feeler gauge and set gap at
.030 if necessary.
E. Install spark plug, tighten securely.
Move equipment control or any ignition stop switch on engine
to
"STOP" or "OFF" (see equipment manufacturer's instruc-
tions).
Push stop switch (if so equipped - see Figure 11 located next to
spark plug on engine against spark plug and hold it in this posi-
tion until engine
is completely stopped.
OR
Move rotary on/off switch (if so equipped - see Figure 11 to
"OFF" position.
®
® ELECTRIC STARTER:
A. Move choke lever (see Fig'Jre 3 or41 to "FULL CHOKE POSI-
TION".
NOTE: IF RESTARTING A WARM ENGINE AFTER A
SHORT
SHUTDOWN, MOVE CHOKE LEVER
TO
"NO CHOKE POSITION".
B. Move equipment control (see manufacturer's instructions) or
engine control to
"START".
C. Push starter button or turn ignition switch key (see equip-
ment manufacturer's instructions) to crank engine.
D. Crank engine until it fires. When it starts, release starter but-
ton or ignition switch key and move choke lever
to "1/2
CHOKE" until engine runs smoothly and then to "NO
CHOKE POSITION".
If engine falters, move choke lever to
"1/2 CHOKE" until
engine runs smoothly and then
to "NO CHOKE POSITION".
NOTE: If engine fires, but does not continue to run, move
choke lever
to "NO CHOKE POSITION" and crank
engine until it starts.
NOTE: If engine again fires, but does not continue to run,
move choke lever to "FULL CHOKE" and repeat in-
structions B, C and D until engine starts.
STOPPING
CD
Page 3
181-388- 1

Tecumseh HM90 Specifications

General

Brand	Tecumseh
Model	HM90
Category	Engine
Language	English