Farm King 480, Руководство оператора и каталог запасных частей, Страница: 14 / 32

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Maintenance / Bolt Torque - 480 Grain Cleaner
Maintenance
Service
Belt tension must be maintained to assure maximum belt life. Check the belt tension frequently
and remove any trash, which might accumulate in the pulley grooves. If the cleaner has the trash
pan option, be sure to clean out any remaining grain in the trough to keep it from rotting. When
hauling the cleaner for a long distance, always check the wheel bolts before leaving. Tires should
be filled to a maximum of 60 psi (400 kPa).
Storage
Store the cleaner inside a dry place to prevent deterioration of the belts. Clean thoroughly before
placing in storage.
Bolt Torque
Checking Bolt Torque
The tables shown below give correct torque values for various bolts and hex bolts. Tighten all bolts
to the torques specified in chart unless otherwise noted. Check tightness of bolts periodically, using
bolt torque chart as a guide. Replace hardware with the same strength bolt.
Bolt Torque*
Bolt Diameter Grade 2 Bolts Grade 5 Bolts Grade 8 Bolts
(inches) SAE 2 SAE 5 SAE 8
“A” (lb-ft) (N.m) (lb-ft) (N.m) (lb-ft) (N.m)
0.25 (1/4) 6 8 9 12 12 17
0.313 (5/16) 10 13 19 25 27 36
0.375 (3/8) 20 27 33 45 45 63
0.438 (7/16) 30 42 53 72 75 100
0.5 (1/2) 45 61 80 110 115 155
0.563 (9/16) 70 95 115 155 165 220
0.625 (5/8) 95 128 160 215 220 305
.75 (3/4) 165 225 290 390 400 540
0.875 (7/8) 170 230 420 570 650 880
1 225 345 630 850 970 1320
Torque figures indicated above are valid for non-greased or non-oiled threads and heads unless otherwise
specified. Therefore, do not grease or oil bolts or hex bolts unless otherwise specified in this manual. When
using locking elements, increase torque values by 5%.
* Torque value for bolts and hex bolts are identified by their head markings.