Phoenix

MO-RS-023

Shield 23 — Moolarben Underground · Caterpillar 2-leg shield 1,250 t
Demo 06 Oct 2026
← Moolarben Underground
Health & life
✓ OKIn service
10,889 / 22,000 h Change-out 14 Jun 2028 · Run hours
10,889h since overhaul
11,111h left
14 Jun 2028change-out
Run hoursdriver
Leg set pressure
358 bar
01 Oct 2026 · 07:44
Leg pressure loss over shift
3.8 %
01 Oct 2026 · 07:44
Pin & bush clearance
0.91 mm
01 Oct 2026 · 07:44
Leg chrome damage rating
1 /5
01 Oct 2026 · 07:44
Unit
Site
Moolarben Underground
Class
Roof support
Make / model
Caterpillar 2-leg shield 1,250 t
Serial
CA20-3221
Position
Shield 23
Run hours
41,893
Last overhaul
08 Feb 2025 @ 31,004 h
Interval
22,000 h
Site hours
126 h / week
Leg set pressure (bar)
358
285 320 16 Jul: 362 bar23 Jul: 365 bar30 Jul: 364 bar6 Aug: 362 bar13 Aug: 359 bar20 Aug: 360 bar27 Aug: 359 bar3 Sep: 361 bar10 Sep: 360 bar17 Sep: 359 bar24 Sep: 361 bar1 Oct: 358 bar 16 Jul27 Aug1 Oct
Leg pressure loss over shift (%)
3.8
15 8 16 Jul: 3.2 %23 Jul: 3.1 %30 Jul: 3.1 %6 Aug: 3.6 %13 Aug: 3.5 %20 Aug: 3.6 %27 Aug: 3.6 %3 Sep: 3.8 %10 Sep: 3.8 %17 Sep: 3.8 %24 Sep: 3.8 %1 Oct: 3.8 % 16 Jul27 Aug1 Oct
Pin & bush clearance (mm)
0.91
3 2 23 Jul: 0.8 mm6 Aug: 0.86 mm20 Aug: 0.84 mm3 Sep: 0.83 mm17 Sep: 0.87 mm1 Oct: 0.91 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 · 07:44Leg set pressure358 bar✓ OKTelemetryHamish Grant
01 Oct 2026 · 07:44Leg pressure loss over shift3.8 %✓ OKTelemetryHamish Grant
01 Oct 2026 · 07:44Pin & bush clearance0.91 mm✓ OKInspectionHamish Grant
01 Oct 2026 · 07:44Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
24 Sep 2026 · 07:44Leg set pressure361 bar✓ OKTelemetryHamish Grant
24 Sep 2026 · 07:44Leg pressure loss over shift3.8 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 07:44Leg set pressure359 bar✓ OKTelemetryHamish Grant
17 Sep 2026 · 07:44Leg pressure loss over shift3.8 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 07:44Pin & bush clearance0.87 mm✓ OKInspectionHamish Grant
17 Sep 2026 · 07:44Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
10 Sep 2026 · 07:44Leg set pressure360 bar✓ OKTelemetryHamish Grant
10 Sep 2026 · 07:44Leg pressure loss over shift3.8 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 07:44Leg set pressure361 bar✓ OKTelemetryHamish Grant
03 Sep 2026 · 07:44Leg pressure loss over shift3.8 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 07:44Pin & bush clearance0.83 mm✓ OKInspectionHamish Grant
03 Sep 2026 · 07:44Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
27 Aug 2026 · 07:44Leg set pressure359 bar✓ OKTelemetryHamish Grant
27 Aug 2026 · 07:44Leg pressure loss over shift3.6 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 07:44Leg set pressure360 bar✓ OKTelemetryHamish Grant
20 Aug 2026 · 07:44Leg pressure loss over shift3.6 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 07:44Pin & bush clearance0.84 mm✓ OKInspectionHamish Grant
20 Aug 2026 · 07:44Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
13 Aug 2026 · 07:44Leg set pressure359 bar✓ OKTelemetryHamish Grant
13 Aug 2026 · 07:44Leg pressure loss over shift3.5 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 07:44Leg set pressure362 bar✓ OKTelemetryHamish Grant
06 Aug 2026 · 07:44Leg pressure loss over shift3.6 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 07:44Pin & bush clearance0.86 mm✓ OKInspectionHamish Grant
06 Aug 2026 · 07:44Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
30 Jul 2026 · 07:44Leg set pressure364 bar✓ OKTelemetryHamish Grant
30 Jul 2026 · 07:44Leg pressure loss over shift3.1 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 07:44Leg set pressure365 bar✓ OKTelemetryHamish Grant
23 Jul 2026 · 07:44Leg pressure loss over shift3.1 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 07:44Pin & bush clearance0.8 mm✓ OKInspectionHamish Grant
23 Jul 2026 · 07:44Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
16 Jul 2026 · 07:44Leg set pressure362 bar✓ OKTelemetryHamish Grant
16 Jul 2026 · 07:44Leg pressure loss over shift3.2 %✓ OKTelemetryHamish Grant