Textron Jacobsen HR-5111 - Micro Switches Test; Diff Lock Switch Test

4-82 4203780 First Edition
ELECTRICAL
4
Micro Switches Test
See Figure 4-50.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
NOTES
This procedure applies to the following micro switches:
• Park Brake Switch
• Brake Pedal Switch
• Reverse Kick-Out Switch
2. Remove switch. (See “Park Brake Switch” on
page 4-91, “Brake Pedal Switch” on page 4-91 and
“Reverse Kick-Out Switch” on page 4-99.)
Figure 4-50
3. Connect test leads to the switch terminals (2 and 3).
4. Check for continuity.
Is continuity indicated?
YES The switch is faulty; replace the switch.
NO Proceed to step 5.
5. Depress the switch lever (1).
6. Check for continuity.
Is continuity indicated?
YES The switch is good.
NO The switch is faulty; replace the switch.
Diff Lock Switch Test
See Figure 4-51.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Remove diff lock switch. (See “Diff Lock Switch” on
page 4-100.)
Figure 4-51
3. Connect test leads to terminals (2 and 4).
4. Check for continuity.
Is continuity indicated?
YES The switch is faulty; replace the diff lock
switch.
NO Proceed to step 5.
5. Depress and hold the plunger (1).
6. Check for continuity.
Is continuity indicated?
YES Proceed to step 7.
NO The switch is faulty; replace the diff lock
switch.
7. Connect test leads to terminals (3 and 4).
8. Depress and hold the plunger.
9. Check for continuity.
Is continuity indicated?
YES The switch is faulty; replace the diff lock
switch.
NO Proceed to step 10.
Required Tools or Equipment
Digital Multimeter, Ohmmeter, or Continuity Tester
2
3
TN1894
1
Required Tools or Equipment
Digital Multimeter, Ohmmeter, or Continuity Tester
TN1861
4
2
3
1