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INSTALLATION AND MAINTENANCE MANUAL
554515_A_PUB_DATE_1_FEB_2014.DOC
5.7. TIGHTENING MOMENTS
WARNING!
REGULARLY, ONCE IN THREE MONTHS OR EVERY 500 WORKING HOURS (WHICH EVER COMES
FIRST) INSPECT THE TIGHTNESS OF THE BOLTS!
If anyone of the bolts has been damaged, exchange it with the bolt of the same strength value marked on its
head. The best way is to order the original part according the „Spare parts manual“.
WARNING!
REPLACE THE DAMAGED BOLT WITH A ONE OF THE SAME STRENGTH VALUE MARKED ON ITS
HEAD! IGNORING OF THE BOLT QUALITY AND MECHANICAL STRENGTH CAN CAUSE SERIOUS
BODILY INJURIES!
Tighten the loosened bolts using the torque value stated in the following tables:
MACHINES 33-40-55 kg / 80-100-125 lb
TIGHTENING MOMENTS VALUES OF BOLTS AND NUTS FOR MACHINES 33-40-55 kg / 80-100-125 lb,
(figure 5.7.A)
BOLT (NUT)
DIMENSION
NUMBER OF PCS.
TIGHTENING
MOMENTS (Nm)
TIGHTENING
MOMENTS (lbf.ft)
A
M20 x 65
24 (12)
600
443
B
M12 x 30
8
70
52
B
33 kg / 80 lb:
nut KM13
1 450
332
C
M12 x 35
6
70
52
D
M30 x 80
1
800
590
E
M12 x 38
4
25
18.5
Table 5.7.A
Figure 5.7.A. – Machines 33-40-55 kg / 80-100-125 lb
MARKING OF THE BOLTS
A – bolts of hub flange
B – bolts fixing the pulley to the nut of clamping sleeve
C – bolts fixing the motor plate to the external drum
D – bolts fixing the inner drum to the shaft
E – bolts fixing the door brackets
A spanner for the jam nut KM 13 is not a part of the delivery or accessories.
!
!
Содержание LH-550
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