66
Operator´s manual round bale wrapper 7640
11 Maintenance
11.1 Welding on ma-
chine
Disconnect the command panel and the
electric cabinet before any welding is done
on the machine.
11.2 Chain tensioning
Ckeck and re-tenssion drive chain roller
table:
11.3 Retension bolts
Check thoroughly all bolts of drawbar,
satellite, wheels and wheel shafts after 1
hour of use and thereafter weekly. All other
bolts and nuts should be checked after 8
hours of use and thereafter weekly.
Bolt tensioning torque
Ø
Material 8.8
Material 8.8
M5
5.7 Nm
50.5 lb.in
M6
9.9 Nm
7.3 lb.ft
M8
24 Nm
17.7 lb.ft
M10
48 Nm
35.4 lb.ft
M12
85 Nm
62.7 lb.ft
M16
210 Nm
155 lb.ft
M20
400 Nm
295 lb.ft
M24
1000Nm
737 lb.ft
11.4 Lubrication
Component
Lubrication interval
Pivoting bolt drawbar .................................................................................... 10 hours
Pivoting bolts table ....................................................................................... 10 hours
Pivoting bolt loading arm .............................................................................. 10 hours
All cylinder bolts ............................................................................................ 50 hours
(Support disc loading .................................................................................... 50 hours)
Drive chain roller table .................................................................................. 50 hours
Bearings of table rollers ................................................................................ 50 hours
Gears satellitte drive unit .............................................................................. 50 hours
Gears pre-strecthers ..................................................................................... 50 hours
Oil change motor brake (0.1 liter ISO VG 32) .............................................. 500 hours
11.5 Tyre air pressure
Wheel size
Pressure
11,5/80-15,3" ....................... 1,5 bar (22psi)
400/60-15,5" ........................ 1,1 bar (16psi)
19,0/45-17 ............................ 1,2 bar (17psi)
Maintenance
Summary of Contents for 7640
Page 2: ...2 Operator s manual round bale wrapper 7640...
Page 13: ...13...
Page 39: ...39 Operating model S...
Page 71: ...71 Notes 13 Notes...