International Harvester Company TD-24 Operator's Manual page 31

PREVENTIVE MAINTENANCE
CHECKING MECHANICAL PROBLEMS
Probable Cause
(ENGINE SECTION)
Probable Remedy
Problem
ENGINE
WILL NOT
TURN
A--Starting motor inoperative.
(1) Batteries faulty.
(2)
Cables and terminals faulty.
(3)
Starting switch defective.
(4)
Starting motor defective.
(5)
Starting motor commutator
dirty or worn.
B--Crankcase oil too heavy for
operation in extreme low
temperature.
C--Internal seizure.
A--
(1)
Recharge or replace batteries if
necessary.
(2)
Inspect cables and terminals for
incorrect connections or any faults
which may cause shorting. Replace
cables if necessary.
(3)
Replace starting switch.
(4)
*
(5)
Clean commutator (pa~e 79). worn
or out-of-round repair.
*
B--Use grade of oil specified in
"LUBRICATION
GUIDE" on
pages ~2
and
~3.
C--Attempt to crank engine with spark plugs
removed, clutch disengaged, and com-
pression release rod in starting posi-
tion.
If engine does not turn easily
internal damage is indicated.
*
ENGINE
TURNS BUT
WILL NOT
START
Continued
on next page
A--Gasoline fuel system faulty.
(1) No gasoline in tank.
(2) Shut-off valve closed.
(3) Strainer screen clogged.
(4) Water in the gasoline.
(5) No gasoline at carburetor.
B--Batteries low in charge and do not
crank engine fast enough.
C--Ignition system faulty.
(1) Ignition circuit broken.
(2) Spark plugs wet or fouled.
(3)
(4)
Spark plug insulators cracked
or broken.
Ignition cut-out switch
inoperative.
A--
(1) Fill small tank with gasoline.
(2) Open shut-off valve.
(3) Clean strainer
(toee
53).
(4) Drain gasoline tank, strainer and
carburetor.
(5) Clean strainer screen of carburetor
(pa~e 54). Clean fuel line from gaso-
line tank to carburetor. Check vent
holes in gasoline tank filler cap.
B- -Char ge batterie s.
C--
Check cables from distributor cal ~
to ignition coil and spark plugs fc
incorrect wiring or loose connect-
Remove spark plugs, wipe off
moisture and dry plugs. Remove '.
carbon. Check gap, which must be
0.035 to 0.040 inch.
(1)
(2)
(3)
(4)
Replace.
Remove manifold front end cover.
Disconnect cables from switch
terminals. Connect cables together.
Attempt to start engine.
If engine
starts, switch in manifold or cable
is inoperative and should be in-
spected. CAUTION: Do not switch
to diesel cycle when attempting
to check ignition cut-out switch
with cables connected together.
*
Consult Your Internatlonal Indust r ia l Power Dtst r ibuto r or Dealer
29