Operators manual MODEL 80XX Planter
page 69 of 173
Maintenance
Screwed connections
Screwed connections in general
Only carry out adjustments and maintenance work when the engine
is switched off!
Remove ignition key!
Secure the machine against rolling away!
The tightening torques given in the table below do NOT apply when a different torque is
specified in this manual for a particular screwed connection. Check all nets, bolts and screws
regularly for tightness. Shear pins are designed in such a way that they shear off at a certain
load. When replacing shear pins, make sure that only pins of the same grade are used.
When replacing nuts and bolts, make sure that nut/bolt pairs are of the same or higher grade.
Nuts, bolts and screws of a higher grade should be tightened with the same torques the
original parts being replaced make sure that threads are clean and that they engage properly.
This prevents damage upon tightening.
The tightening torques required are given in
the adjacent table.
The strength grade is specified on the screw
head.
Screwed connections with special
maintenance requirements
Only carry out adjustments and
maintenance work when the engine is
switched off!
Remove ignition key!
Secure the machine against rolling
away!
The following screwed connections require
special maintenance. Non-compliance could
result in damage to the machine or chassis.
Bolt Size Torque Bolt Size Torque
7/16”-14 317.0
4-40 4.3 7/16”-20 357.0
4-48 5.4 1/2”-13 422.0
6-32 7.9 1/2”-20 443.0
6-40 9.9 9/16”-12 558.0
8-32 16.2 9/16”-18 615.0
8-36 18.0 5/8”-11 907.0
10-24 18.6 5/8”-18 1016.0
10-32 25.9 3/4”-10 1249.0
1/4”-20 61.5 3/4”-16 1220.0
1/4”-28 77.0 7/8”-9 1905.0
5/16”-18 107.0 7/8”-14 1895.0
5/16”-24 116.0 1”-8 2815.0
3/8”-16 192.0 1”-14 2545.0
3/8”-24 212.0 - -
2-56 2.0
Torque Values = inch-lbs
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