Phoenix

MO-RS-052

Shield 52 — Moolarben Underground · Caterpillar 2-leg shield 1,250 t
Demo 06 Oct 2026
← Moolarben Underground
Health & life
✓ OKIn service
9,066 / 22,000 h Change-out 24 Sep 2028 · Run hours
9,066h since overhaul
12,934h left
24 Sep 2028change-out
Run hoursdriver
Leg set pressure
363 bar
01 Oct 2026 · 08:01
Leg pressure loss over shift
3.2 %
01 Oct 2026 · 08:01
Pin & bush clearance
0.81 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
CA23-4907
Position
Shield 52
Run hours
53,828
Last overhaul
20 May 2025 @ 44,762 h
Interval
22,000 h
Site hours
126 h / week
Leg set pressure (bar)
363
285 320 16 Jul: 366 bar23 Jul: 366 bar30 Jul: 367 bar6 Aug: 367 bar13 Aug: 363 bar20 Aug: 366 bar27 Aug: 365 bar3 Sep: 363 bar10 Sep: 363 bar17 Sep: 362 bar24 Sep: 361 bar1 Oct: 363 bar 16 Jul27 Aug1 Oct
Leg pressure loss over shift (%)
3.2
15 8 16 Jul: 2.8 %23 Jul: 3 %30 Jul: 3 %6 Aug: 2.9 %13 Aug: 3.3 %20 Aug: 3.4 %27 Aug: 3.3 %3 Sep: 3.2 %10 Sep: 3.3 %17 Sep: 3.1 %24 Sep: 3.2 %1 Oct: 3.2 % 16 Jul27 Aug1 Oct
Pin & bush clearance (mm)
0.81
3 2 23 Jul: 0.79 mm6 Aug: 0.82 mm20 Aug: 0.86 mm3 Sep: 0.87 mm17 Sep: 0.78 mm1 Oct: 0.81 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 pressure363 bar✓ OKTelemetryHamish Grant
01 Oct 2026 · 08:01Leg pressure loss over shift3.2 %✓ OKTelemetryHamish Grant
01 Oct 2026 · 08:01Pin & bush clearance0.81 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 shift3.2 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:01Leg set pressure362 bar✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:01Leg pressure loss over shift3.1 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:01Pin & bush clearance0.78 mm✓ OKInspectionHamish Grant
17 Sep 2026 · 08:01Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
10 Sep 2026 · 08:01Leg set pressure363 bar✓ OKTelemetryHamish Grant
10 Sep 2026 · 08:01Leg pressure loss over shift3.3 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:01Leg set pressure363 bar✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:01Leg pressure loss over shift3.2 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:01Pin & bush clearance0.87 mm✓ OKInspectionHamish Grant
03 Sep 2026 · 08:01Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
27 Aug 2026 · 08:01Leg set pressure365 bar✓ OKTelemetryHamish Grant
27 Aug 2026 · 08:01Leg pressure loss over shift3.3 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:01Leg set pressure366 bar✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:01Leg pressure loss over shift3.4 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:01Pin & bush clearance0.86 mm✓ OKInspectionHamish Grant
20 Aug 2026 · 08:01Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
13 Aug 2026 · 08:01Leg set pressure363 bar✓ OKTelemetryHamish Grant
13 Aug 2026 · 08:01Leg pressure loss over shift3.3 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:01Leg set pressure367 bar✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:01Leg pressure loss over shift2.9 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:01Pin & bush clearance0.82 mm✓ OKInspectionHamish Grant
06 Aug 2026 · 08:01Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
30 Jul 2026 · 08:01Leg set pressure367 bar✓ OKTelemetryHamish Grant
30 Jul 2026 · 08:01Leg pressure loss over shift3 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:01Leg set pressure366 bar✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:01Leg pressure loss over shift3 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:01Pin & bush clearance0.79 mm✓ OKInspectionHamish Grant
23 Jul 2026 · 08:01Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
16 Jul 2026 · 08:01Leg set pressure366 bar✓ OKTelemetryHamish Grant
16 Jul 2026 · 08:01Leg pressure loss over shift2.8 %✓ OKTelemetryHamish Grant