Section 4 Adjustment And Repair; General; Part Number Identification; Steering Arm And Control Head - Big Joe PPT 45 Series Operation, Maintenance, Repair Parts

4-1. GENERAL

This section contains information and procedures for
maintenance of the PPT 45 lift trucks. Maintenance
includes adjustment, and repair.
The illustrations in this section identify lift truck
maintenance parts. The callouts on each illustration
correspond to the reference index numbers in the
applicable text.
Parts listings are provided in Section 7 of this manual.
The parts list provides the Big Joe Manufacturing
Company part number, the part description, and the
quantity of the part required in the assembly.
When identifying each part to be ordered, visually
compare the part in the illustration with the actual part
needed. To assure proper identification of each part
being ordered, include your truck model number and
serial number (see nameplate), the part number
description and quantity of the part(s) needed. If the
nameplate becomes lost or illegible, refer to Figure 1-1
for other serial number locations.

4-2. PART NUMBER IDENTIFICATION

To determine the part number of a replacement part,
identify the assembly in which the part is used and in
Section 7, locate the illustration of the appropriate
assembly. Find the index number for the part on the
illustration and refer to that index number in the parts
list. If the part number is NP, order the next higher
assembly. If the part number is VAR, order by part
name with truck model number and serial number
If the part is listed with more than one part number,
select the proper part number by comparing the
description in the parts list with the specifications of
your truck. Refer to the nameplate to determine
application to your truck.

4-3. STEERING ARM AND CONTROL HEAD

WARNING: Testing of belly-button safety switches in
operation should be limited to areas clear of obstacles
against which an operator could be pinned. Use low
speed in forward.
PPT0104-901336
Section 4
ADJUSTMENT AND REPAIR

4-3.1 Belly-Button Switch Adjustment.

If the actuator gap of the belly-button switch needs
adjustment, proceed as follows (Figure 4-1):
1. Disconnect the battery.
2. Drive out the roll pins that secure the belly-button
3. Bend actuator levers of belly-button switches to
casting (Figure 4-1). Drive from the left to the right.
NOTE: While removing the belly-button casting,
the two return springs will drop free. Catch
the springs while pulling the casting away
to prevent their loss.
adjust the gap between rollers and belly-button
casting as required (See Figure 4-1).
IMPORTANT
If too small a gap exists between bellybutton switch
actuator rollers and the belly-button casting, one or
both of the belly-button switches may be actuated
constantly.
Belly Button
Springs
Belly Button
Casting
Gap
Roller
Bend Actuator
Levers Here
Figure 4-1. Steering Arm Control Head
Roll Pins
Belly Button
Switches
Control
Head
I-7006
4-1