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Table I. Mounting Bolts and Torque Requirements**

Model*Frame SizeEnglishMetricBolt Size(Gr 5)Dry Torque(ft-lb)Bolt SizeDry Torque(kgm)
Installation MTF18-470, MTF18-1300, MTF36-104010, 207/16 in. -14NC58M128MTF12-750, MTF18-1675309/16 in. -12NC94M1413MVB12-1000, MVB18-1000401/2 in. -13NC76M128MVB12-1510, MVB18-1510505/8 in. - 11NC137M1619MVB12-2500, MVB18-2500603/4 in. -10NC275M2038 MVB12-4500, MVB18-4500807/8 in. -9NC405M2256MVB12-7000, MVB18-7000907/8 in. -9NC430M2471*VB models have no mounting holes.

**Torque specifications are for reference only. Contact fastener manufacturer for specific information regarding bolt torque.

MARTIN® Flanged Electric Vibrators - 22276 Nut and cap screw torque

After removing any nuts or cap screws from vibrator assembly, re-install to the torque values specified in Table II.

Table II. Vibrator Nut and Cap Screw Torque Requirements

Cap Screwsft/lb (kgm)Shaft Nutsft/lb (kgm)Terminal Block Nutsft/lb (kgm) M67 (1)M13x122 (3)M40.87 (0.12)M816.5 (2.3)M15x136 (5)M51.45 (0.20)M1035 (4.8)M20x172 (10)M62.17 (0.30)M1258 (8)M25x1.5123 (17)M84.70 (0.65) M1494 (13)M30x1.5246 (34)M109.80 (1.35)M16137 (19)M45x1.5360 (50)M18195 (27) M20275 (38)
Martin Engineering M3387-4/04 5
MOTOMAGNETIC ® Flanged Electric Vibrators