Maintenance Instructions | ADJUSTMENTS |
IMPORTANT: The solenoid linkage should be checked and adjusted any time the solenoid is removed and replaced (either reinstalling an existing solenoid or installing a new replacement).
Check and adjust the solenoid linkage as follows:
1.Manually pull the fuel valve open and check the gap between the control arm on the injector pump and the stop. The required gap is approx- imately 1/16 in. (1.6 mm).
Fuel Valve Control Arm
in Open (Run) Position
1/16 in. (1.6 mm) Gap
Solenoid Linkage |
| Control Valve |
Rod and Jam Nut |
| Stop |
|
|
|
Fuel Valve Solenoid Linkage Adjustment
(shown with air intake hose removed for clarity)
2.If the gap is incorrect, adjust the linkage by loosening the jam nut at the solenoid, remov- ing the cotter pin and washer from the connec- tion to the fuel valve control arm, and screwing the linkage rod in or out of the solenoid as re- quired.
3.After adjusting the linkage for the proper gap, turn the ignition key ON, and check the gap by operating the solenoid.
GHS “Full” Signal Horn with
If the GHS “full” signal horn is not sounding when the catcher is full, the following troubleshooting instructions apply:
Troubleshooting (When Horn Fails to Operate)
1.Check the horn.
a.Disconnect the two wires from the Grass- Pak® switch electric connector plug and make a jumper wire connection between these wires (bypassing switch).
b.Turn the ignition switch ON and move the blade clutch to the ENGAGED position (engine not running) to make the horn sound.
c.If the horn does not sound, the horn is bad and needs to be replaced.
d.If the horn does sound, proceed to step 2.
2.Check the
a.Reconnect the wires to the
b.Turn the ignition switch ON and move the blade clutch to the ENGAGED position (engine not running).
c.Open the catcher back door and trigger the
d.The horn should sound as the switch is moved in both directions. If the horn does not sound, the switch is bad and needs to be replaced.
WARNING
DO NOT test the
Vane Switch
Checking the
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