Chapter 5
Maintenance and Repair
P/N 57150002, Revision 5.0 5 - 65 Trimble S, VX, SPS & RTS Service Manual
F
PSM board
• PSM board replacement
Tools and equipment
PSM board replacement
Performance
Description Part number
Torque wrench 120 Ncm T71600280
Torx T8 bit Local tool
Item Performance Action Results Notes
1 Remove servo side
cover.
See page 5-15.
2 Remove IPC board. See page 5-17.
3 Remove battery/radio
side cover.
See page 5-10.
4 Remove horizontal
turning unit.
See page 5-55.
5 Remove TCU
attachment.
See page 5-20.
6 Remove optical
plummet.
See page 5-38.
7 Remove face 2 panel. See page 5-39.
8 Disconnect cable to
pressure sensor.
See page 5-40.
9 Replace PSM board. A. Remove the three
screws.
B. Replace PSM board,
make sure all cables
are removed before
removal of board.
C. Mount the three
screws.
35 Ncm. Be careful with the
contact springs, they
can not be replaced.
Use a torque wrench
with a torx T10 bit.
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