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Installation Instructions for Bulletin 140U NFPA 79
Internal Rotary Operating NFPA Handle
(Cat 140U-K-NVM12B, -NVM12R, -NVM21B, -NVM21R)
ATTENTION: To prevent electrical shock, disconnect from power source before installing or servicing.
Cut shaft and tube to proper length
1
L = D - 127 mm
(L = D - 5 in)
D
D
without Bracket = 257 mm (10-1/8 in)
MIN
T = L - 139 mm
(T = L - 5.5 in)
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2 3
Install Assembly Operate Switch
2
1
2.0 - 2.25 Nm
(18 - 20 lb-in)
Important: Check for full range of motion.
1
2
3.2 Nm
(28 lb-in)
3.2 Nm
(28 lb-in)
TOP
TOP
(2)
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4
Locate Operating Handle
in Enclosure Door
1
2
3
(3)
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4
Locate Operating Handle
in Enclosure Door (cont'd)
3
42053-007-01 (1)
Printed in U.S.A.
4
2.8 Nm
(25 lb-in.)
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