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8.
MAINTENANCE OF THE BACK BROOM
8.1.
General safety precautions for the use and maintenance
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Comply with existing laws and regulations and the instructions given in this manual.
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Never go under an unsecured device.
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Always apply the parking brake of the base machine before performing any actions on the device.
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Only use tools that are in proper working order.
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Be careful with the pressurized hydraulic hoses and components.
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Make sure there is no pressure in the hydraulic system. Take into account the pressure accumulator.
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Make sure hydraulic fluids or greases do not leak to the ground.
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Use all necessary personal protectors.
8.2.
Tightening torque
Nm (strength 8.8)
M4
3,3
M5
6,5
M6
11,3
M8
27,3
M10
54
M12
93
M14
148
M16
230
M18
329
M20
464
M22
634
M24
798
M27
1176
M30
1597
M33
2161
M36
2778
M39
3597
Table 1. Tightening torque
8.3.
Daily maintenance
In order to prevent further damages, it is important to inspect the device visually for possible defects. Inspect at least the
following daily:
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Hydraulic hoses and components for possible leaks
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General mechanical functioning
8.4.
Maintenance after first 10 hours of operation
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Lubricate, preferably with a NLGI-2 grease or equivalent (see instructions in later sections)
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Check all bolts and nuts for tightness (table 1)
8.5.
Maintenance at 50-working hour intervals or on a weekly
basis
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Lubricate, preferably with a NLGI-2 grease or equivalent (see instructions in later sections)
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Check the mechanical condition of the device for bends, distortions or breaches
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Check fastening bolts for tightness (table 1)
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Check the chain for tightness (section 7.4.)
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Lubricate the propeller shaft (section 8.8.)
