Operator’s manual
Optima 51 / M51 / M56 / M57T / 60T
40
Dynapôle Ludres/Fléville, 166 rue Ampère/BP 60093 - 54714 LUDRES - FRANCE - Tél.+33 (0)3 83 25 69 60 - Fax. +33 (0)3 83 26 12 85
9. Maintenance
9 1Bolttoghteningtorques
Diameter
Bolt quality
8.8 10.9 12.9
Bolt size Tightening torque ( daNm )
M6 1.0 1.4 1.7
M8 2.4 3.3 4.0
M10 4.8 6.7 8.1
M12 8.1 11.4 13.7
M14 12.9 18.1 21.7
M16 19.6 27.6 33.1
M18 26.6 37.4 44.9
M20 38.2 53.7 64.5
M22 51.0 71.7 86.1
M24 65.6 92.2 110.7
M27 95.8 135.7 161.7
M30 120.0 168.7 202.5
9 2Dailymaintenance
Observe the cleaning instructions.
Blocking of the radiator will lead to abnormal operating temperatures
and deterioration of the hydraulic circuit.
- Remove the radiator screen as shown in the photo and brush the surface clean.
(gure 2.21 and 2.22)
- Using a compressed air line at a maximum pressure of 6 bar blow air through from inside to outside.
(Figure 2.22)
- Brush the outside face of the radiator.
gure 2.22gure 2.21
protective
screen for
radiator
direction of
removal of
radiator screen
Attention, take care not to damage the ns :
direct the air jet parallel to the ns
-Clean under the head linkage transfer bracket.
-Check the tightness of bolts (see chart; above mentioned <bolt tightening torques>) and especially :
- the rotor mounting bolts;
- he mounting frame bolts to the tractor.
Operation and maintenance