jcb Robot 160 - Page 261

Section E - Hydraulics
Pressure Testing
Power Management System (P.M.S.)
E - 64 E - 64
9803-9450-2
Fig 53.
5 On machines not fitted with sensitivity control F:
a Remove front switch panel.
Fig 54.
b Locate the socket fed by wires 660 and 660A.
Remove linking plug H from the socket.
Fig 55.
c Remove blanking plug from connector D K
Fig
55. ( T E-64) (fed by wire numbers 144B, 509 and
600AH). Connect potentiometer E into the
harness as shown. Potentiometer is part number
716/30334. If required, fit knob 331/21736.
d Turn potentiometer E fully clockwise.
6 On machines fitted with sensitivity control F (standard
fitting on High Flow machines), turn control F fully
clockwise.
7 On all machines:
Set up a tachometer to read engine speed from either
the crankshaft pulley or the fan pulley.
Note: The tachometer reading on the fan pulley will be
higher than crankshaft speed K
Table 13. ( T E-65).
8 Press button C, switch on ignition until red light G on
instrument panel begins to flash (1 flash per second),
K
Fig 53. ( T E-64). Then release button C.
9 Start engine. Gradually increase engine speed until
the tachometer shows the speed shown at stage 1
K
Table 13. ( T E-65). Turn potentiometer or control
F until pressure gauge reads 10 bar (145 lb/in
2
).
/
.
66
0
660A
H
E
D