jcb Robot 160 - Page 262

Section E - Hydraulics
Pressure Testing
Power Management System (P.M.S.)
E - 65 E - 65
9803-9450-2
Table 13.
10 Press button C until red light G flashes quicker, (2
flashes per second) then release button.
11 Gradually increase engine speed until the tachometer
shows the speed shown at stage 2 K
Table 13.
( T E-65). Turn potentiometer or control F until
pressure gauge reads 20 bar (290 lb/in
2
).
12 Press button C until red light G flashes quicker (4
flashes per second), then release button.
13 Turn potentiometer or control F fully clockwise. Then
turn it gradually counter-clockwise until pressure
gauge reads 10 bar (145 lb/in
2
).
14 Press button C until red light G flashes quicker (10
flashes per second), then release button.
15 Stop engine for at least 5 seconds. Remove
potentiometer E (not High Flow) and test button C.
Leave pressure gauge and tachometer in position.
16 Refit linking and/or blanking plugs as listed K
Table
14. ( T E-65):
Important: Make sure all plugs are refitted as it is
essential that moisture does not enter the system.
Table 14.
17 Do the System Check K
System Check ( T E-50).
18 Start engine. If red light G does not go out, start
procedure again from step 4.
Test Crankshaft
Speed
Fan Speed Pressure
Stage 1 1800 1980 10 bar
(145 lb/in
2
)
Stage 2 2400 2680 20 bar
(290 lb/in
2
)
Connector and Wire Numbers Plug and Part
Number
Connector B K
Fig 52. ( T E-63).
Wire numbers 144A and 508 (all
machines)
Blanking plug 715/
20009
Connector on wires 660 and 660A
(non High Flow machine only).
Linking plug 721/
12440
Connector D K
Fig 55. ( T E-64)
Wire numbers 144B, 509 and
600AH (non High Flow machine
only).
Blanking plug 715/
20037