3-59. MOTOR STARTERS - continued.
K1 and K2.
Using multimeter set at 0 to 100 ohms, check between upper and lower sets of stationary contacts (2).
Check for 0 ohm for each pair.
Check across terminal of overload relay (4). Indication should be infinity indicating a open. If indication is 0,
press reset rod (3) and recheck. If indication remains 0, replace overload relay.
Check between two terminals of auxiliary contacts (1). Indication should be 0 ohm. If indication is infinity,
replace auxiliary contact.
Two people are required for step d
Install motor controller.