- 25 -
FIGURE 7
BLADE BOLT INSTALLATION
5.1.4
Check safety interlock system.
Service Interval:
Daily
a) For your safety, your Exmark mower is equipped with Operator Presence
Controls (OPC). When either the PTO is engaged, or the speed control
lever is not in neutral and both hands are removed from the handles, the
mower engine
MUST stop.
b)
For Electric Start Units Only:
Check starting circuit. Starter should crank
with:
Operator Presence Control levers
depressed
,
speed control lever in
neutral
, and
PTO
disengaged
.
Try to start the engine with
OPC levers
disengaged
,
speed control lever in
neutral
and
PTO
disengaged
-
starter MUST NOT crank
.
Try to start with,
OPC levers
depressed
,
speed control lever in any speed
but
neutral
and
PTO
disengaged
-
starter MUST NOT crank
.
Try to start with
OPC levers
depressed
, speed control lever in
neutral
and
PTO
engaged-starter MUST NOT crank.
c) Check OPC circuits. Clear the area. Disengage park brake. Run engine
at one-third throttle, then with drive levers and neutral lock latches in
“
neutral lock” position
, move the speed control lever out of neutral and
release OPC levers -
engine MUST stop.
Again, run engine at one-third throttle, move the speed control lever to
neutral
, engage blade clutch and release OPC levers -
engine MUST stop.
Note: Park brake must be disengaged before the speed control lever is
moved out of neutral or engine will kill.
For manual start engines:
The park brake must also be disengaged before
the PTO is engaged or the engine will kill.
d) If machine does not pass any of these tests,
DO NOT
operate. Contact
your authorized
EXMARK SERVICE DEALER.
IMPORTANT: It is essential that all Operator Safety Mechanisms, be
in place and in proper operating condition prior to mowing.
5.1.5
Check for loose hardware.
Service Interval:
Daily
a) Stop engine and wait for all moving parts to stop. Remove ignition key or
spark plug wire(s).
b) Visually inspect machine for any loose hardware or any other possible
problem. Tighten hardware or correct the problem before operating.
Summary of Contents for TT4819KAC
Page 1: ...For Serial Nos 440 000 Higher Part No 103 4871 ...
Page 44: ... 39 8 WIRING DIAGRAMS ...
Page 45: ... 40 9 HYDRAULIC DIAGRAM ...