TM 1-1270-476-30
4-142
4-7. RELAY BRACKET ASSEMBLY REPAIR (cont)
4. DIODE CR2 OR CR3 REPLACEMENT
REMOVAL
NOTE
Terminal posts have other wires attached to
them. To replace diode CR2 or CR3, it may be
necessary to tag and unsolder these wires.
a. Tag and unsolder wires from bracket
assembly as follows:
Diode
Terminal Posts
CR2 (1)
E1 (2) and E5 (3)
Alternate CR2 (4)
K1-A2 (5) and
K1-B3 (6)
CR3 (6)
E5 (3) and E3 (7)
b. Remove epoxy from alternate diode CR2
(4) (para 2-6).
c. Remove faulty diode.
INSTALLATION
d. Cut replacement diode leads to length
required for installation.
e. Install insulation tubing over each diode
lead.
f. Solder diode leads and other wires to
terminal points as noted in step a above.
Ensure black ring end of diode is installed
on terminal post E5 (3). Remove tags.
g. Secure alternate diode CR2 (4) in place
with epoxy adhesive (para 2-6).
h. Have installation inspected.
END OF TASK