Page 302 - GM E-BOOKLET 2022

6.Repairing of Electronic cards

Following electronic cards of WAG-7 and WAG-9 locomotives were
repaired in house by replacing the defective components.

Locomo
Equipmen Loco Cost of the
t failed tive Make No. Attention paid equipment
Type

Pulse transformer on
INVERTER
GDU of WAG 7 AAL 27787 GDU card defective, it 2,50,000 /-
was replaced with
SIV
rewound transformer.
Resistor of I-4 channel
INPUT MEDH defective, resistor

CARD of WAG 7 A 28437 replaced with good 65,000 /-
MPCS
one.
Reed relay (QCON) of
MCU MCU defective, it was
Card WAG 7 AAL 28706 replaced with good 4,50,000 /-
one.

PMI card of module
Power defective, it was
module of WAG 9 BHEL 31346 18,00,000 /-
SR replaced with good
one.
SID card of module
Power
module of WAG 9 BHEL 31969 defective, it was 18,00,000 /-

SR replaced with good
one.
IO Card Reed relay on I/O card
(URB512) WAG 9 BHEL 31730 defective, it was 75,000 /-
of VCU replaced with new one.
Defective capacitors

PS CARD WAG 9 MEDH 31557 (Sic-safco make) 65,000 /-
of SR A replaced with Keltron
make capacitors.
Repairing of 02 GDU
GDU 2,60,000/-
Cards WAG 9 AAL 32033 cards of AAL Auxiliary per card
converters

32326 Repairing of 02 EBVs of 3,50,000/-
EBV WAG 9 CCB &
31427 pneumatic system per unit

300