OEM FX - Page 53

FX / RVE
Maintenance
EN - 21
Fig. 2
2
8
3
5
6
7
8
9
9
4
1
6.1.c - Planned maintenance works
6.1.c.a - Chains tensioning check (Fig 2)
(EVERY 2000 hours or yearly)
DANGER
Thisoperationmustbecarriedoutbyaqualied
technician.
FX version chain tensioning
• Remove the rear case (1) by unscrewing the relevant
screws.
• Loosen the nuts (2) of the gearmotor and the screws
(3) of the upper shaft support.
• Lubricatethechainbyusinglubricatinggrease.
Spiral element rotation chain tensioning.
• Remove the rear case (1) by unscrewing the relevant
screws.
• Removetheheadcase(4)byunscrewingtherelevant
screws, in case of models being equipped with head,
lift the latter.
• Loosenthebearingnuts(5)andtensionthechain
(6), then tighten the nuts (5). In versions equipped
with tip-up head, after tensioning the chain, you
shall center the drive joint (7) with the relevant joint
(8) placed on the machine structure. For adjusting,
loosen the nuts (9), then make sure the joints are
properly coupled and tighten the nuts (9).
• Lubricateboththechainandthebearingsbyutilizing
lubricating grease.