POTAIN · LUFFING JIB
POTAIN LUFFING JIB
MRH hydraulic luffers and MR rope luffers. Same job: a jib that luffs so the crane can work tight to the building. Match the machine on site to the right chart.
- DOCUMENT
- GOSPEL-CRN-003
- REVISION
- 01 CURRENT
- EFFECTIVE
- 2026-09-01
- OWNER
- GOSPEL Safety
- APPROVED BY
- GOSPEL
- REVIEW
- 2027-09-01
Lift to the serial chart in the cab — this jib, this reeving, this mast, this ballast. The files below are Manitowoc published range sheets. Operator, maintenance and lubrication manuals for this serial live in the cab and on Manitowoc Crane Care.
PUBLISHED RANGE
MRH 125
Hydraulic topless luffer. 8 t, 50 m jib. See GOSPEL-CRN-002.
MRH 175
Hydraulic topless luffer. 10 t (11 USt), 55 m (180 ft) jib. 1.5 t (1.65 USt) at 55 m. Weathervane about 10 m.
MR 229
Current rope-luffing jib with CCS. 14 t (15.4 USt), 55 m (180 ft) jib. 2.7 t (2.95 USt) at max jib. Out-of-service radius from about 10.25 m.
MR 225 A
Earlier rope luffer still on sites. 55 m jib. Cathead and luffing rope. Confirm the serial chart — this is a non-current product.
LOAD CHARTS + DATA SHEETS
MANUALS + MAINTENANCE
MANITOWOC MANUALS — BRAND POTAIN →
Rope luffers: luffing rope, cathead, luffing winch. Hydraulic luffers: VVH rams and tank. The serial manual names the interval.
INSPECT
- Which luffer: hydraulic (MRH) or rope (MR). Inspection follows that machine
- Jib angle against the chart for this radius and this reeving
- Out-of-service / weathervane radius for this jib length
- Rope luffer: luffing rope, cathead sheaves, luffing winch, dead ends
- Hydraulic luffer: rams, hoses, tank, pins — see MRH 125
- Hoist rope, hook, limits, overload, anemometer
- Slew, mast, ties, access
MAINTAIN
- Luffing system on the OEM interval for this serial
- Hoist and slew as the lubrication chart
- Wire rope: hoist and, on MR machines, luffing line
- Structure: jib, cathead or ram attachments, mast
GOSPEL FORMS
LUFFING JIB INSPECTION — GOSPEL-FRM-028 →
PROVENsin(). Current version on this site.