Big Joe PTE 30 Series, Operation, Maintenance, Repair Parts List, Page: 31 / 96

901467 5-1
SECTION 5
STEERING ARM AND CONTROL HEAD SERIVCE
5-1. CONTROL HEAD
5-1.1. Control Head Removal.
1. Turn off the key switch (4, Figure 12-7 ), discon-
nect switch (10) and disconnect the batteries.
2. Remove six screws (13, Figure 5-2 ) and cover
(12).
3. Disconnect the electrical harness located inside
the control arm (7).
4. Remove the six outer screws (11, Figure 5-1 ) and
lift off cover (12).
NOTE: The seventh inner screw (11) and nut (15)
secure support plate (14) to cover (12).
NOTE: When removing the control head in the fol-
lowing step, be sure to hold it in place until
the control cable is disconnected.
5. Working inside the control head, remove two
screws (2,
Figure 5-2 ) and two washers (3), being
careful not to drop control head (1).
6. Lift up control head (1) and free the electrical har-
ness from the control arm.
5-1.2. Belly-Button Switch Replacement.
1. Remove the control head as described in para-
graph
5-1.1.
2. Place the control head on a clean work bench.
3. Trace the belly-button switch leads down to the
control head connector and remove the leads
from the connector.
4. Remove two screws (6, Figure 5-1 ) and two screw
(7).
5. Lift button (1) with mounting bracket (5) out of the
control head.
6. Remove button (1) from mounting bracket (5)
being careful not to loose springs (3).
7. Pick out potting compound and remove
switch (2) from button (1).
8. Position new switch (2) in button (1) and
secure in place with potting compound.
9. Install button (1) with springs (3) on mounting
bracket (5) and check for proper operation.
10. Position button (1) with mounting bracket (5) in
the control head.
11. Install two screws (6) and two screw (7).
12. Install the switch leads in the control head con-
nector.
13. Install the control head as described in paragraph
5-1.6.
5-1.3. Lift, Lower and Horn Switch Replacement.
1. Remove the control head as described in para-
graph
5-1.1.
2. Place the control head on a clean work bench.
3. Trace the leads of the defective switch down to
the control head connector and remove the leads
from the connector.
NOTE: When screw (11, Figure 5-1 ) and nut (15) are
removed, springs (9) will fall out.
4. Use a small clamp to hold plate (14) and cover
(12) together. Remove screw (11) and nut (15).
Slowly remove the clamp and separate plate (14)
from cover (12) being careful not to loose springs
(9).
5. Remove the button with the defective switch.
6. Pick out potting compound and remove
switch (2) from button (1).
7. Position new switch (2) in button (1) and
secure in place with potting compound.
8. Place buttons (8, 10 and 13) with springs (9) in
position cover (12).
9. Place plate (14) into position and temporary
secure with a clamp. Install nut (15) and screw
(11). Then remove the clamp.
10. Check buttons for proper operation.
11. Install the switch leads in the control head con-
nector.
12. Install the control head as described in paragraph
5-1.6.
5-1.4. Directional Switch Removal and Adjust-
ment.
1. Remove the control head as described in para-
graph
5-1.1.
2. Place the control head on a clean work bench.
3. Remove two screws (11, Figure 5-3 ) and lift
mounting bracket (8) out of the control head.