![background image](http://html1.mh-extra.com/html/red-rooster/tmh-25t/tmh-25t_user-manual_1428239020.webp)
20
USER MANUAL
▪
Red Rooster Lifting Limited
▪
Nauta House, The Meadows, Oldmeldrum, Aberdeenshire, AB51 0EZ
▪
Tel: +44 (0) 1651 872101
▪
M01-AH28 REV2
MAINTENANCE
4.6
TYPES OF CHAIN
Only the correct size and grade of load chain should be used.
All chain is to EN818/7 - ANNEX B
TMH-50T/4
HEAVY DUTY
RUD
RT+
Nominal diameter:
23.5 + 0.3 / - 1.1
mm
Pitch:
66.0 + 0.7 / - 0.3
mm
Max dia at weld:
24.6
mm
Min breaking force:
750
kN
Surface hardness:
ca390-420HV10
Grade:
EN818/7 ISO 3077
When supplied new, only quality chain from a reputable supplier has been fitted to the hoist. Your supplier will be able to offer replacement
chain of like quality.
DANGER