MiLAN MIL-RCM16A Spezifikationen PDF herunterladen (Seite 68)

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PLATFORM WILL NOT UNFOLD

“A” VALVE

(UNFOLDING)

TYPICAL VALVES & ELECTRICAL CONNECTIONS

(PUMP IS SHOWN FROM POWER DOWN

UNIT WITH HOSES)

FIG. 68-1

OPENER (UNFOLDING)

VALVE ADJUSTMENT

Before doing the following procedure, set up guarded area around the platform

to keep people from entering.

WARNING

TYPICAL

TERMINAL-1

NOTE: Numbers for the electrical terminals

are not stamped on the valve coil.

Numbers shown in illustration are

for reference only.

TYPICAL

TERMINAL-2

1. Flow of hydraulic ﬂ uid may

be restricted. Turn opener

(unfolding) valve adjustment

(FIGS. 68-1 and 68-2)

counter-clockwise to open

the valve. If necessary, do

the PUMP ASSEMBLY

PRESSURE SETTING

procedure in this section.

2. Check if the “A” valve

(FIGS. 68-1 and 68-2) is

energized. Connect voltmeter

to terminal-1 and terminal-2

as shown in FIGS. 68-1 and

68-2. Activate the UNFOLD

toggle switch and FOLD/

UNFOLD toggle switches.

Correct indication is +11 to

+12.6 volts dc. If indication is

incorrect, check control switch

and wiring to “A” valve (refer

to ELECTRICAL SYSTEM

DIAGRAMS section).

Replace faulty wiring or

control switch as required. If

the voltmeter indicates +11 to

+12.6 volts dc and “A” valve

does not operate, replace “A”

valve.

NOTE: For dual pump system, check secondary pump and motor ﬁ rst.

TROUBLESHOOTING

TYPICAL SOLENOID VALVES

(PUMP IS SHOWN FROM GRAVITY DOWN

UNIT WITH STEEL LINES)

FIG. 68-2

“A” VALVE

(UNFOLDING)

TYPICAL

TERMINAL-1

TYPICAL

TERMINAL-2

OPENER (UNFOLDING)

VALVE ADJUSTMENT

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 ... 85 86

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