Mounting Bolt Tightening Sequence - Martin M3910 Operator's Manual

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Table I. Mounting Bolts and Torque Requirements*
Vibrator Type
MM
MM
MM
MM, MI, MV, MC, MB 30, 33, 35, 40, 50
MM, MI, MV
MU
MM
MI
MM, MI
*See "Part Numbers" section for specific model numbers.
**Plated bolt with antiseize.
*Torque specifications are for reference only. Contact fastener manufacturer for specific information
regarding bolt torque.
Martin Engineering M3910-04/19
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Figure 3. Mounting Bolt Tightening Sequence
6. After the vibrator has been operated for 10 to 20 minutes, check bolt
torque. Tighten if necessary.
Frame Size*
Bolt Size
00 5/16 in. -18NC
10 3/8 in. -16NC
20 1/2 in. -13NC
5/8 in. -11NC
90, 95 1 in. -8NC
90, 95 1-1/2 in. -8NC
97 1-1/2 in. -8NC
97, 100 1 in. -8NC
100, 105 1-3/4 in. -8NC
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English
Dry Torque
(Gr 5) (ft-lb)
15
26
64
128
644
1950
1950
644
N/A
6
1 5
2 4
Metric
Bolt Size Dry Torque
M8 23 Nm
M10 42 Nm
M12 75 Nm
M16 19 kgm
M25 89 kgm
M36 269 kgm
M36 269 kgm
M25 89 kgm
M42 290 kgm**
®
Martin Electric Vibrators