Phoenix

MO-RS-091

Shield 91 — Moolarben Underground · Caterpillar 2-leg shield 1,250 t
Demo 06 Oct 2026
← Moolarben Underground
Health & life
✓ OKIn service
13,751 / 22,000 h Change-out 07 Jan 2028 · Run hours
13,751h since overhaul
8,249h left
07 Jan 2028change-out
Run hoursdriver
Leg set pressure
354 bar
01 Oct 2026 · 08:25
Leg pressure loss over shift
4.3 %
01 Oct 2026 · 08:25
Pin & bush clearance
1.01 mm
01 Oct 2026 · 08:25
Leg chrome damage rating
1 /5
01 Oct 2026 · 08:25
Unit
Site
Moolarben Underground
Class
Roof support
Make / model
Caterpillar 2-leg shield 1,250 t
Serial
CA21-2874
Position
Shield 91
Run hours
52,339
Last overhaul
02 Sep 2024 @ 38,588 h
Interval
22,000 h
Site hours
126 h / week
Leg set pressure (bar)
354
285 320 16 Jul: 357 bar23 Jul: 356 bar30 Jul: 358 bar6 Aug: 354 bar13 Aug: 357 bar20 Aug: 356 bar27 Aug: 356 bar3 Sep: 352 bar10 Sep: 353 bar17 Sep: 352 bar24 Sep: 355 bar1 Oct: 354 bar 16 Jul27 Aug1 Oct
Leg pressure loss over shift (%)
4.3
15 8 16 Jul: 3.8 %23 Jul: 3.8 %30 Jul: 4.1 %6 Aug: 4.1 %13 Aug: 4.2 %20 Aug: 3.8 %27 Aug: 3.8 %3 Sep: 3.9 %10 Sep: 4 %17 Sep: 4.1 %24 Sep: 4.5 %1 Oct: 4.3 % 16 Jul27 Aug1 Oct
Pin & bush clearance (mm)
1.01
3 2 23 Jul: 0.93 mm6 Aug: 0.93 mm20 Aug: 0.94 mm3 Sep: 0.96 mm17 Sep: 0.95 mm1 Oct: 1.01 mm 23 Jul3 Sep1 Oct
Leg chrome damage rating (/5)
1
4 2 23 Jul: 1 /56 Aug: 1 /520 Aug: 1 /53 Sep: 1 /517 Sep: 1 /51 Oct: 1 /5 23 Jul3 Sep1 Oct
Actions
No actions on this unit.
Workshop history
No workshop items linked to this unit.
Reading historylatest 60
WhenParameterValueGradeSourceBy
01 Oct 2026 · 08:25Leg set pressure354 bar✓ OKTelemetryHamish Grant
01 Oct 2026 · 08:25Leg pressure loss over shift4.3 %✓ OKTelemetryHamish Grant
01 Oct 2026 · 08:25Pin & bush clearance1.01 mm✓ OKInspectionHamish Grant
01 Oct 2026 · 08:25Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
24 Sep 2026 · 08:25Leg set pressure355 bar✓ OKTelemetryHamish Grant
24 Sep 2026 · 08:25Leg pressure loss over shift4.5 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:25Leg set pressure352 bar✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:25Leg pressure loss over shift4.1 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:25Pin & bush clearance0.95 mm✓ OKInspectionHamish Grant
17 Sep 2026 · 08:25Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
10 Sep 2026 · 08:25Leg set pressure353 bar✓ OKTelemetryHamish Grant
10 Sep 2026 · 08:25Leg pressure loss over shift4 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:25Leg set pressure352 bar✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:25Leg pressure loss over shift3.9 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:25Pin & bush clearance0.96 mm✓ OKInspectionHamish Grant
03 Sep 2026 · 08:25Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
27 Aug 2026 · 08:25Leg set pressure356 bar✓ OKTelemetryHamish Grant
27 Aug 2026 · 08:25Leg pressure loss over shift3.8 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:25Leg set pressure356 bar✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:25Leg pressure loss over shift3.8 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:25Pin & bush clearance0.94 mm✓ OKInspectionHamish Grant
20 Aug 2026 · 08:25Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
13 Aug 2026 · 08:25Leg set pressure357 bar✓ OKTelemetryHamish Grant
13 Aug 2026 · 08:25Leg pressure loss over shift4.2 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:25Leg set pressure354 bar✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:25Leg pressure loss over shift4.1 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:25Pin & bush clearance0.93 mm✓ OKInspectionHamish Grant
06 Aug 2026 · 08:25Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
30 Jul 2026 · 08:25Leg set pressure358 bar✓ OKTelemetryHamish Grant
30 Jul 2026 · 08:25Leg pressure loss over shift4.1 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:25Leg set pressure356 bar✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:25Leg pressure loss over shift3.8 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:25Pin & bush clearance0.93 mm✓ OKInspectionHamish Grant
23 Jul 2026 · 08:25Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
16 Jul 2026 · 08:25Leg set pressure357 bar✓ OKTelemetryHamish Grant
16 Jul 2026 · 08:25Leg pressure loss over shift3.8 %✓ OKTelemetryHamish Grant