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Repair and Repl acement Procedures 7-8 ProMa ster 25 00 U ser Ma nual Installing the PE Assembly Follow the s teps below to insta ll the programm ing electronics a ssembly in the 2500. 1. Turn off the 2500 a nd remove th…

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Repair and Replacement Procedures
ProMaster 2500 User Manual 7-7
14. Carefully slide the programming electronics assembly away from the
clamp assembly. Figure 7-7 shows the two tracks on the clamp
assembly that fit into grooves on the pin block. The track and grooves
hold the assembly to the underside of the main plate. Do not twist the
programming electronics assembly as you slide it away from the
clamp assembly; doing so may damage the pin block.
15. Set the programming electronics assembly on an antistatic surface.
Figure 7-6
Lower the Clamp Assembly and Remove the Retaining Bar
Figure 7-7
Programming Electronics Assembly Alignment
2070-2
MAIN PLATE
(Underside)
PROGRAMMING
ELECTRONICS
ASSEMBLY
PROGRAMMING MODULE
CLAMP ASSEMBLY
HEX HEAD SCREW
RETAINING BAR
A
J
S
SHIFT
B
K
T
DEL
C
L
U
D
M
V
E
N
W
F
O
X
SHIFT
G
P
Y
H
Q
Z
I
R
ENTER
1
4
7
2
5
8
3
6
9
0
LOW
CASE
RESET
STOP
CAL
START
2066-2
GROOVE
TRACKS
PIN BLOCK
PROGRAMMING
ELECTRONICS
ASSEMBLY
BOTTOM SIDE OF PROGRAMMING
MODULE CLAMP ASSEMBLY
Repair and Replacement Procedures
7-8 ProMaster 2500 User Manual
Installing the PE
Assembly
Follow the steps below to install the programming electronics assembly
in the 2500.
1. Turn off the 2500 and remove the power cord.
CAUTION: Pins in the pin block are delicate and could be damaged if
they hit components mounted on the underside of the main
plate. The pin block cover ensures that these pins are not
damaged while you are removing or reinstalling the PE
assembly.
2. Carefully slide the PE assembly onto the clamp assembly. Figure 7-7
shows the two tracks on the clamp assembly that fit into grooves on
the pin block.
3. Install the retaining bar and its two hex screws to connect the PE
assembly to the clamp assembly.
4. Reconnect the two optic cables (S-24 and C-25).
5. Reconnect the two of the four air lines (one red and one blue) to the
rear quick connects.
6. Hold the programming module clamp assembly in place and reinstall
the six 7/64-inch hex screws.
7. Reconnect the two remaining air lines (one red and one blue) to the
front quick connects.
8. Reconnect all of the remaining cables.
CAUTION: When you connect the cables, be careful to use the correct
polarity of the cables to the connectors. Reversing or
misaligning a cable could damage components on the 2500.
9. Connect the 2500 to a compressed air source and check for air leaks
by listening for a hissing sound.
10. When you determine that there aren’t any air leaks, lower the main
plate.
11. Tighten the two corner screws in the main plate (see Figure 7-3).
Motor Replacement
These procedures explain how to replace any motor that may have failed.
Replacing the Input
Orbital Motor
Follow these steps below to access and replace the input orbital motor.
1. Turn off the 2500 and remove the power cord.
2. Remove the PE assembly, as described on page 7-3.
3. Locate the round input orbital motor collar. Loosen the 7/64-inch hex
screw and remove the motor collar.
Repair and Replacement Procedures
ProMaster 2500 User Manual 7-9
4. Remove the two 3/32-inch hex screws that hold the rear orbital
alignment block to the underside of the main plate. Slide the rear
orbital alignment block off the dowel pin, and let the block dangle
from the cables.
5. From above the main plate, remove the two 3/32-inch hex screws
that hold the front orbital alignment block to the main plate. Remove
the front orbital retaining block from the underside of the main plate.
6. Support the left side of the orbital assembly while you remove the
7/64-inch hex retaining screw (with the white plastic standoff) on the
right support brace.
7. Remove the 3/32-inch hex screw that holds the grounding strap to
the right support brace.
8. Carefully slide the left side of the input orbital assembly off the
orbital cam spindle. Be careful that the white bushing between these
two is not lost or damaged.
9. When the assembly is off the spindle, slide it to the left until it is free
from the right support brace. Let it dangle from the cables.
Figure 7-8
Input and Output Orbital Assemblies
2307-1
INPUT ORBITAL
ASSEMBLY
OUTPUT ORBITAL
ASSEMBLY
MAIN PLATE (Underside)
CAM SPINDLE
CAM SPINDLE