Phoenix

MO-RS-051

Shield 51 — Moolarben Underground · Caterpillar 2-leg shield 1,250 t
Demo 06 Oct 2026
← Moolarben Underground
Health & life
✓ OKIn service
13,494 / 22,000 h Change-out 22 Jan 2028 · Run hours
13,494h since overhaul
8,506h left
22 Jan 2028change-out
Run hoursdriver
Leg set pressure
357 bar
01 Oct 2026 · 08:01
Leg pressure loss over shift
5.7 %
01 Oct 2026 · 08:01
Pin & bush clearance
1.25 mm
01 Oct 2026 · 08:01
Leg chrome damage rating
1 /5
01 Oct 2026 · 08:01
Unit
Site
Moolarben Underground
Class
Roof support
Make / model
Caterpillar 2-leg shield 1,250 t
Serial
CA23-4467
Position
Shield 51
Run hours
42,613
Last overhaul
16 Sep 2024 @ 29,119 h
Interval
22,000 h
Site hours
126 h / week
Leg set pressure (bar)
357
285 320 16 Jul: 362 bar23 Jul: 363 bar30 Jul: 361 bar6 Aug: 361 bar13 Aug: 361 bar20 Aug: 362 bar27 Aug: 361 bar3 Sep: 358 bar10 Sep: 361 bar17 Sep: 358 bar24 Sep: 361 bar1 Oct: 357 bar 16 Jul27 Aug1 Oct
Leg pressure loss over shift (%)
5.7
15 8 16 Jul: 5 %23 Jul: 4.8 %30 Jul: 4.9 %6 Aug: 5.3 %13 Aug: 4.8 %20 Aug: 5.4 %27 Aug: 5.3 %3 Sep: 4.9 %10 Sep: 5 %17 Sep: 5.6 %24 Sep: 5.7 %1 Oct: 5.7 % 16 Jul27 Aug1 Oct
Pin & bush clearance (mm)
1.25
3 2 23 Jul: 1.11 mm6 Aug: 1.11 mm20 Aug: 1.21 mm3 Sep: 1.19 mm17 Sep: 1.2 mm1 Oct: 1.25 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 · 08:01Leg set pressure357 bar✓ OKTelemetryHamish Grant
01 Oct 2026 · 08:01Leg pressure loss over shift5.7 %✓ OKTelemetryHamish Grant
01 Oct 2026 · 08:01Pin & bush clearance1.25 mm✓ OKInspectionHamish Grant
01 Oct 2026 · 08:01Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
24 Sep 2026 · 08:01Leg set pressure361 bar✓ OKTelemetryHamish Grant
24 Sep 2026 · 08:01Leg pressure loss over shift5.7 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:01Leg set pressure358 bar✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:01Leg pressure loss over shift5.6 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:01Pin & bush clearance1.2 mm✓ OKInspectionHamish Grant
17 Sep 2026 · 08:01Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
10 Sep 2026 · 08:01Leg set pressure361 bar✓ OKTelemetryHamish Grant
10 Sep 2026 · 08:01Leg pressure loss over shift5 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:01Leg set pressure358 bar✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:01Leg pressure loss over shift4.9 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:01Pin & bush clearance1.19 mm✓ OKInspectionHamish Grant
03 Sep 2026 · 08:01Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
27 Aug 2026 · 08:01Leg set pressure361 bar✓ OKTelemetryHamish Grant
27 Aug 2026 · 08:01Leg pressure loss over shift5.3 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:01Leg set pressure362 bar✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:01Leg pressure loss over shift5.4 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:01Pin & bush clearance1.21 mm✓ OKInspectionHamish Grant
20 Aug 2026 · 08:01Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
13 Aug 2026 · 08:01Leg set pressure361 bar✓ OKTelemetryHamish Grant
13 Aug 2026 · 08:01Leg pressure loss over shift4.8 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:01Leg set pressure361 bar✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:01Leg pressure loss over shift5.3 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:01Pin & bush clearance1.11 mm✓ OKInspectionHamish Grant
06 Aug 2026 · 08:01Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
30 Jul 2026 · 08:01Leg set pressure361 bar✓ OKTelemetryHamish Grant
30 Jul 2026 · 08:01Leg pressure loss over shift4.9 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:01Leg set pressure363 bar✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:01Leg pressure loss over shift4.8 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:01Pin & bush clearance1.11 mm✓ OKInspectionHamish Grant
23 Jul 2026 · 08:01Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
16 Jul 2026 · 08:01Leg set pressure362 bar✓ OKTelemetryHamish Grant
16 Jul 2026 · 08:01Leg pressure loss over shift5 %✓ OKTelemetryHamish Grant