Thomas 1700 - Control Levers; Electrical

8
8-10
Adjust, check for wear at
rod ends, loose counter
nuts
Reconnect, check for wear
at rod ends, loose counter
nuts
Replace
Control levers binding
with safety shields or
sound insulation Adjust
control lever bearings
binding in lever assy.
Inspect replace or clean as
required
Inspect linkage for wear at
rod ends, loose counter
nuts
Replace bolt. Ensure bolt
clamping lever to pump
shaft is tight
See troubleshooting hydro-
static system
See troubleshooting hydro-
static system
Adjust
Adjust
See troubleshooting hydro-
static system
Adjust control lever link-
ages
Lubricate
Engine will not
crank over
Engine cranks
over, but will not
start
Loader starts, but
hyd. controls will
not release
Engine will not
stop when the
key is turned
OFF
Control levers
will not center
Machine oper-
ates erratically
Machine loses
power while
turning
Machine will
not travel in
straight line
Control levers
do not operate
smoothly
Linkage out of
adjustment
Linkage discon-
nected
Centering spring
broken
Linkage binding
Control lever link-
age loose
Bolt in pintle lever
loose or broken
Linkage binding
Control lever trav-
el out of adjust-
ment
Internal pump and
/ or motor leakage
Control lever link-
age out of adjust-
ment
Control lever link-
ages need lubrica-
tion
8.2E Control Levers
Battery failure
Battery cable fail-
ure
Starter failure
Fuse burnt
Defective relay
Ignition switch
failure
Auxiliary
hydraulics
engaged
Defective glow
plug relay
Defective glow
plugs
Broken connection
or defective wire
No fuel
Electro solenoid
not releasing valve
spools
Defective ignition
switch
Mechanical dam-
age of the gover-
nor
Check battery, charge
or replace
Check for loose or cor-
roded connectors.
Tighten and clean as
required. Use di-elec-
tric grease to prevent
corrosion.
Check continuity of
cables and replace if
defective
Repair or replace
Check and replace
Check relay continuity
if defective, replace
Check continuity and if
defective, replace
Engine will smoke but
not run unassisted by
starter. Disengage aux.
hydraulics
Check continuity and if
defective, replace
Check continuity and if
defective, replace
Check continuity of the
circuit not functioning
properly in both engine
and ROPS harness.
Check fuel levels and
system
Defective solenoid or
binding solenoid lock.
Check continuity of
connectors and wire.
Check and replace
Check and repair or
replace
8.2F Electrical
Symptom Cause Remedy Symptom Cause Remedy
TROUBLESHOOTING 8.2