TM 5-3990-263-13&P
FIELD MAINTENANCE
GENERAL TORQUE LIMITS
GENERAL
This work package provides general torque limits for the screws used on the BAP. The general torque limits given
in this work package shall be used when specific torque limits are not indicated in the maintenance procedure. These
general torque limits cannot be applied to screws that retain rubber components. The rubber components will be
damaged before the torque limit is reached. If a special torque limit is not given in the maintenance instructions,
tighten the screw or nut until it touches the metal bracket then tighten it one more turn.
TORQUE LIMITS
Table 1 lists the torque limits for wet flange nuts.
Table 2 lists the torque limits for wet socket head capscrews.
Table 3 lists torque limits for dry fasteners. Dry torque limits are used on screws that do not have high
pressure lubricants applied to the threads.
Table 4 lists torque limits for dry metric fasteners.
Table 5 lists torque limits for wet fasteners. Wet torque limits are used on screws that have high pressure
lubricants applied to the threads.
HOW TO USE THE TORQUE TABLE
Screws and Nuts.
a.
Measure the diameter of the screw you are installing with a ruler (Figure 1).
Figure 1. Screw Diameter Measurement.
b.
Measure out one inch with a ruler and count the number of threads per inch (Figure 2).
Figure 2. Screw Thread Measurement.
c.
Under the heading DIAMETER look down the left hand column until you find the diameter of the screw
you are installing (there are usually two lines beginning with the same diameter).
03/15/2011Rel(1.8)root(torquewp)wpno(M02012)
