Phoenix

MO-RS-021

Shield 21 — Moolarben Underground · Caterpillar 2-leg shield 1,250 t
Demo 06 Oct 2026
← Moolarben Underground
Health & life
✓ OKIn service
9,159 / 22,000 h Change-out 18 Sep 2028 · Run hours
9,159h since overhaul
12,841h left
18 Sep 2028change-out
Run hoursdriver
Leg set pressure
370 bar
01 Oct 2026 · 07:43
Leg pressure loss over shift
4 %
01 Oct 2026 · 07:43
Pin & bush clearance
0.89 mm
01 Oct 2026 · 07:43
Leg chrome damage rating
1 /5
01 Oct 2026 · 07:43
Unit
Site
Moolarben Underground
Class
Roof support
Make / model
Caterpillar 2-leg shield 1,250 t
Serial
CA23-1839
Position
Shield 21
Run hours
51,124
Last overhaul
15 May 2025 @ 41,965 h
Interval
22,000 h
Site hours
126 h / week
Leg set pressure (bar)
370
285 320 16 Jul: 370 bar23 Jul: 371 bar30 Jul: 372 bar6 Aug: 371 bar13 Aug: 369 bar20 Aug: 368 bar27 Aug: 369 bar3 Sep: 367 bar10 Sep: 370 bar17 Sep: 369 bar24 Sep: 367 bar1 Oct: 370 bar 16 Jul27 Aug1 Oct
Leg pressure loss over shift (%)
4
15 8 16 Jul: 3.8 %23 Jul: 3.3 %30 Jul: 3.5 %6 Aug: 3.6 %13 Aug: 3.7 %20 Aug: 4 %27 Aug: 3.7 %3 Sep: 3.5 %10 Sep: 3.8 %17 Sep: 4 %24 Sep: 3.7 %1 Oct: 4 % 16 Jul27 Aug1 Oct
Pin & bush clearance (mm)
0.89
3 2 23 Jul: 0.84 mm6 Aug: 0.95 mm20 Aug: 0.96 mm3 Sep: 0.97 mm17 Sep: 0.89 mm1 Oct: 0.89 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 · 07:43Leg set pressure370 bar✓ OKTelemetryHamish Grant
01 Oct 2026 · 07:43Leg pressure loss over shift4 %✓ OKTelemetryHamish Grant
01 Oct 2026 · 07:43Pin & bush clearance0.89 mm✓ OKInspectionHamish Grant
01 Oct 2026 · 07:43Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
24 Sep 2026 · 07:43Leg set pressure367 bar✓ OKTelemetryHamish Grant
24 Sep 2026 · 07:43Leg pressure loss over shift3.7 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 07:43Leg set pressure369 bar✓ OKTelemetryHamish Grant
17 Sep 2026 · 07:43Leg pressure loss over shift4 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 07:43Pin & bush clearance0.89 mm✓ OKInspectionHamish Grant
17 Sep 2026 · 07:43Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
10 Sep 2026 · 07:43Leg set pressure370 bar✓ OKTelemetryHamish Grant
10 Sep 2026 · 07:43Leg pressure loss over shift3.8 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 07:43Leg set pressure367 bar✓ OKTelemetryHamish Grant
03 Sep 2026 · 07:43Leg pressure loss over shift3.5 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 07:43Pin & bush clearance0.97 mm✓ OKInspectionHamish Grant
03 Sep 2026 · 07:43Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
27 Aug 2026 · 07:43Leg set pressure369 bar✓ OKTelemetryHamish Grant
27 Aug 2026 · 07:43Leg pressure loss over shift3.7 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 07:43Leg set pressure368 bar✓ OKTelemetryHamish Grant
20 Aug 2026 · 07:43Leg pressure loss over shift4 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 07:43Pin & bush clearance0.96 mm✓ OKInspectionHamish Grant
20 Aug 2026 · 07:43Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
13 Aug 2026 · 07:43Leg set pressure369 bar✓ OKTelemetryHamish Grant
13 Aug 2026 · 07:43Leg pressure loss over shift3.7 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 07:43Leg set pressure371 bar✓ OKTelemetryHamish Grant
06 Aug 2026 · 07:43Leg pressure loss over shift3.6 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 07:43Pin & bush clearance0.95 mm✓ OKInspectionHamish Grant
06 Aug 2026 · 07:43Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
30 Jul 2026 · 07:43Leg set pressure372 bar✓ OKTelemetryHamish Grant
30 Jul 2026 · 07:43Leg pressure loss over shift3.5 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 07:43Leg set pressure371 bar✓ OKTelemetryHamish Grant
23 Jul 2026 · 07:43Leg pressure loss over shift3.3 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 07:43Pin & bush clearance0.84 mm✓ OKInspectionHamish Grant
23 Jul 2026 · 07:43Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
16 Jul 2026 · 07:43Leg set pressure370 bar✓ OKTelemetryHamish Grant
16 Jul 2026 · 07:43Leg pressure loss over shift3.8 %✓ OKTelemetryHamish Grant