b.
c.
d.
e.
f.
TM 55-4920-428-13
Release four latches and remove the cover from the electrical unit.
Check contents of unit against the inventory on the label inside the cover or table 1-1.
Release six latches and remove the cover from the hydraulic unit.
Check contents of unit against the inventory on the label inside the cover or table 1-2.
Remove power cable 145GS278-4 from the cover of the electrical unit. Connect the POWER plug
to the POWER connector on the electrical unit. (See fig. 2-4. )
g. Remove cycle motor and solenoid test cable 145GS278-7 from the cover. Connect the
ELECTRICAL UNIT plug to the HYDRAULIC TEST SET receptacle. Do not connect the HY-
DRAULIC UNIT plug.
h. Connect a ground wire between the EXTERNAL GND terminal and a shop ground. Check that
the electrical unit power switch is at OFF. Connect the power cable to a 115-volt 60 Hz ac power source.
i. Set the electrical unit power switch to ON. Check that the POWER indicator of the LAMP TEST
switch comes on.
j. Press and hold the LAMP TEST switch. Check that the upper and lower indicators are on in the
following switches:
(1)
(2)
(3)
(4)
LAMP TEST switch.
Both FEEDBACK SELECT switches.
CYCLE MOTOR switch.
SOLENOID SHUTOFF switch.
k. Release the LAMP TEST switch. Check that one light within each switch goes out.
l. Check that the CYCLE MOTOR switch is at OFF.
m. Check that the SOLENOID SHUTOFF switch is at CLOSED.
n. Set the power switch to OFF.
O. Remove pressure hose 145GS278-18 and return hose 145GS278-19 from the stowed position in-
side the hydraulic unit cover.
p. Remove dial indicator 145GS278-9 from the stowed position on the ILCA manifold. Place the
dial indicator in the cover of the hydraulic unit to prevent damage.
Make sure the plumbing of the shop hydraulic power supply is
thoroughly purged/cleaned/filtered prior to use. Contaminants can
damage the ILCA. Make sure filter kit ADHT6814M9716M is installed
on the hydraulic power supply.
Before operation of hydraulic unit, check that there are no closed
valves or blockages in the return line to the shop hydraulic power sup-
ply. Operation with blockage can result in damage to the low press
gage.
q. At the hydraulic unit, remove the RETURN connection cap and the return hose plug. Connect the
return hose to the RETURN connection. (See fig. 2-5. ) Connect the other end to the hydraulic power
supply.
2-11
