Cooper Bussmann IF677 dimensions Maintenance, EMN24

6.Test for wiring correctness with continuity checks and also for unwanted grounds with insulation resistance tester.

7.Place starter handle in OFF position making sure that the internal mechanism of the cover will properly engage the starter.

CAUTION

Clean both ground-joint surfaces of body and cover before installing. Dirt or foreign material must not accumulate on flat ground-joint surfaces. Surfaces must seat fully against each other to provide a proper explosionproof seal.

8.Install cover. Securely tighten all cover bolts making certain that no cover bolts are omitted. Use only bolts supplied with the enclosure.

9.Pour sealing compound into sealing fittings in accordance with the instructions supplied with each of the approved fittings and sealing compound package labels.

MAINTENANCE

1. Frequent inspection should be made. A schedule for	main-
tenance check should be determined by the	envi-

ronment and frequency of use. It is recommended that it should be at least once a year.

2.If necessary to open enclosure for inspection or service, always disconnect primary power source before opening enclosure.

3.Perform visual, electrical, and mechanical checks on all components on a regular basis.

•Visually check for undue heating evidenced by discoloration of wires or other components, damaged or worn parts, or leakage evidenced by water or corrosion in the interior.

•Electrically check to make sure that all connections are clean and tight, and that contacts in the components make or break as required.

•Mechanically check that all parts are properly assembled, and operating mechanisms move freely.

Table 1

Manaul Motor Line Starters 1

Cutler-Hammer - B100 Series

EMN Enclosure	NEMA
Catalog No.	Size	Poles (Phase)	Catalog Number
	M-0	2 (1 Ph)	B100M0BX
		3 (3 Ph)	B100M0CX
EMN24	M-1	2 (1 Ph)	B100M1BX
		3 (3 Ph)	B100M1CX
	M-1P	2 (1 Ph)	B100MDBX

1.Two-pole starters require on heater, three-pole starters require three heaters. These should be selected in accordance with the manufacturer's recommendations. Most explosionproof motors are rated at 55oC, heaters should be selected accordingly.

All statements, technical information and recommendations contained herein are based on information and tests we believe to be reliable. The accuracy or completeness thereof are not guaranteed. In accordance with Crouse-Hinds "Terms and Conditions of Sale", and since conditions of use are outside our control, the purchaser should determine the suitability of the product for the intended use and assumes all risk and liability whatsoever in connection therewith.

Cooper Industries Inc.	IF 677
Crouse-Hinds Division	Revision 2
PO Box 4999, Syracuse, New York 13221 • U.S.A.	Revised 03/03
Copyright© 2003, Cooper Industries, Inc.	Supercedes 04/02