Fluke 27 Service Manual page 30

27
Service Manual
MP2
MP19
U3
MP2 (2PL)
MP18
H2 (2PL)
Most maintenance procedures require at least partial instrument disassembly. The
following procedure (illustrated in Figure 3-2) provides complete step-by-step
disassembly instructions to gain access to any assembly. Complete disassembly is not
required to gain access to most assemblies; the following procedure contains notes that
explain which maintenance procedures are possible at various levels of disassembly.
1. Turn the function switch to the upper OFF position.
2. Lift the tilt bail up about 1 inch up from the back of the instrument, then gently pull
3. Remove the four Pozidriv
4. Disconnect and remove the battery.
5. Unsnap the battery spacer from the battery cover.
3-8
Top Case/Digital
PCB Subsection
MP13
MP10
MP12
MP11
MP21
H7 (4PL
out the ends of the tilt bail and remove it.
to the bottom case, then lift the battery cover and battery spacer out of the
instrument.
H1
MP9
MP4
MP8
MP7
A1
MP1
MP3
MP5
H4 (3PL)
MP6
S3
A2
H5 (4PL)
Button-Up
Subsection
)
Figure 3-2. Disassembly
®
machine screws (H6) that hold the battery cover (MP14)
Main Board
Subsection
MP17
H8 (2PL)
H9 (2PL)
F1
F2
H3 (4PL)
F1
F2
MP61
MP15
BT1
MP16
MP14
H6
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