CENTRAL PROCESSING UNIT INSTALLATION
Negative battery cable disconnected at shunt. (Refer to TM 5-3810-306-20.)
Boom hoist cylinder fully retracted. (Refer to TM 5-3810-306-10.)
1. REMOVE CENTRAL PROCESSING UNIT (CPU).
b. Remove connecting nuts (4) and rubber inserts
(7) from strain relief connectors on bottom of
a. Remove wire seal, screws (2) and cover (3) from
c. Insert each external cable through a connector
b. Tag and remove electrical wires of external
nut (4) and rubber insert (7). Push both over
cables from terminal board in housing (1).
outer insulation of cables.
c. Loosen connector nuts (4) securing external
d. Insert wires and inner insulation of each cable
through correct strain relief port and into housing
(1) as marked.
d. Mark each cable to it's corresponding strain
relief connector port on bottom of housing (1)
and pull each cable out of housing (1).
Ensure proper contact between outer
e. Remove bolts (5) and remove housing (1) from
shield of cable (12) and metal insert
mounting bracket (6).
of strain relief connector.
e. Slide each rubber insert (7) and connector nut
(4) back onto strain relief connectors and tighten
1. INSTALL CENTRAL PROCESSING UNIT (CPU).
connector nuts (4).
a. Position housing (1) in mounting bracket (6) and
f. Reconnect electrical wires to terminal board in
secure with bolts (5).
housing (1) as tagged.
g. Adjust central processing unit.