Mitsubishi FB13PNT, Quick Start Manual, Page: 234 / 292

3-9 3-9
C U O C U O
If the motor is tested by itse If the motor is tested by itself, fix the motor on a work bench se lf, fix the motor on a work bench securely. curely. The motor may mo The motor may move suddenly when starting. ve suddenly when starting. Test the Test the
motor with the slow speed. motor with the slow speed.
CHAPTER 3 MOTOR CHAPTER 3 MOTOR
6. 6.3 3 In Insp spe ect ctiion on of of in inssu ula lati tio on n
(1) (1) Be sur Be sure to sec e to secure th ure the moto e motor ASS' r ASS'Y on a work b Y on a work bench. ench.
(2) (2) Use the ba Use the batter ttery of the forkl y of the forklift truc ift truck to carry ou k to carry out testi t testing. ng.
(3) (3) Con Conne nect w ct wire ires as f s as foll ollows ows..
The right side The right side
-- Con Conne nect th ct the U1 ca e U1 cable f ble from t rom the ch he chass assis to t is to the U he U1 ter 1 termin minal on t al on the m he moto otor. r.
-- Conn Connect ect the the V1 c V1 cable able from from the the chassi chassis to s to the the V1 t V1 term erminal o inal on the n the moto motor. r.
-- Con Conne nect th ct the W1 ca e W1 cable f ble from rom the c the chas hassis t sis to the W o the W1 ter 1 termin minal on t al on the m he moto otor. r.
-- Conne Connect the wi ct the wire harn re harness fro ess from the chas m the chassis (wat sis (water res er resistan istant type 4P) to t t type 4P) to the conne he connector of t ctor of the spee he speed senso d sensor in the mot r in the motor or
(water resistant type 4P). (water resistant type 4P).
The left side The left side
-- Con Conne nect th ct the U1 ca e U1 cable f ble fro rom the c m the chas hassis t sis to the V o the V1 ter 1 termin minal on t al on the m he moto otor. r.
-- Con Connec nect the V t the V1 cab 1 cable fr le from th om the cha e chassi ssis to th s to the U1 te e U1 termi rminal o nal on the m n the moto otor. r.
-- Con Conne nect th ct the W1 ca e W1 cable f ble from rom the c the chas hassis t sis to the W o the W1 ter 1 termin minal on t al on the m he moto otor. r.
-- Conne Connect the wi ct the wire harn re harness fro ess from the chas m the chassis (wat sis (water res er resistan istant type 4P) to t t type 4P) to the conne he connector of t ctor of the spee he speed senso d sensor in the mot r in the motor or
(water resistant type 4P). (water resistant type 4P).
Measure the insulation between terminals and stator with Measure the insulation between terminals and stator with
the Megger. the Megger.
-- App Apply t ly the e he eart arth pr h probe obe (ne (negat gative ive [-] [-]) of ) of the the Me Megg gger t er to o
the stator. the stator.
-- App Apply t ly the l he line ine pro probe ( be (pos positi itive [ ve [+]) +]) of t of the M he Megg egger t er to o
each terminal. (U, V and W) each terminal. (U, V and W)
502721 502721
Tool Tool Specific resistance Specific resistance
M Me eg gg ge err 0 0..5 5 M M o or r g grre eaatte er r ((D DC C5 50 00 0V V))