Thomas 85 - Page 45

4. 11F Park Brake
4. 11E Control Levers
43
4 MAINTENANCE
Problem Cause Remedy
Adjust, check for wear
at rod ends, loose
counter nuts
Reconnect, check for
wear at rod ends loose
counter nuts
Replace
Binding of spring
bushing in spring box.
Align spring box with
linkage.
Control levers binding
with safety shields or
sound insulation.
Adjust.
Control lever bearings
binding in lever
assembly. Inspect,
replace or clean as
required.
Inspect linkage for
wear at rod ends, loose
counter nuts
Replace pin. Inspect
pintle lever for wear at
pin hole. Ensure bolt
clamping lever to pump
shaft is tight. See also
Hydrostatic system
Troubleshooting guide
Inspect for worn or
broken groove pin
securing limiter to
control lever shaft -
replace See also
Hydrostatic system
Troubleshooting guide
Adjust
Adjust
See troubleshooting
Hydrostatic System
Linkage out of
adjustment
Linkage
disconnected
Hydroback broken
Linkage binding
Control lever
linkage loose
Spiral pin in pintle
lever worn or broken
Linkage binding
Control lever travel
out of adjustment
Internal pump and/or
motor leakage
Control levers will
not centre
Machine operates
erratically
Machine loses
power while
turning
Problem Cause Remedy
Adjust tightening nuts
on cables
Inspect, tighten or
reconnect as required
Replace
Inspect and replace,
clean or adjust as
required
Inspect, replace worn
or damaged parts
Inspect, reconnect or
replace as required
Move machine slightly
forward or reverse
(slowly)
Slack in cables,
cables out of
adjustment
Cable mounts or end
loose or
disconnected
Cable kinked or
broken
Brake damaged or
worn
Cables kinked or
binding
Spring broken, worn
or disconnected
Pin stuck
Brake will not hold
machine
Brake will not
release