Phoenix

MO-RS-081

Shield 81 — Moolarben Underground · Caterpillar 2-leg shield 1,250 t
Demo 06 Oct 2026
← Moolarben Underground
Health & life
✓ OKIn service
18,753 / 22,000 h Change-out 04 Apr 2027 · Run hours
18,753h since overhaul
3,247h left
04 Apr 2027change-out
Run hoursdriver
Leg set pressure
345 bar
01 Oct 2026 · 08:19
Leg pressure loss over shift
5 %
01 Oct 2026 · 08:19
Pin & bush clearance
1.07 mm
01 Oct 2026 · 08:19
Leg chrome damage rating
1 /5
01 Oct 2026 · 08:19
Unit
Site
Moolarben Underground
Class
Roof support
Make / model
Caterpillar 2-leg shield 1,250 t
Serial
CA20-8024
Position
Shield 81
Run hours
66,887
Last overhaul
29 Nov 2023 @ 48,134 h
Interval
22,000 h
Site hours
126 h / week
Leg set pressure (bar)
345
285 320 16 Jul: 352 bar23 Jul: 348 bar30 Jul: 352 bar6 Aug: 351 bar13 Aug: 350 bar20 Aug: 346 bar27 Aug: 349 bar3 Sep: 347 bar10 Sep: 344 bar17 Sep: 348 bar24 Sep: 347 bar1 Oct: 345 bar 16 Jul27 Aug1 Oct
Leg pressure loss over shift (%)
5
15 8 16 Jul: 4.3 %23 Jul: 4.1 %30 Jul: 4.4 %6 Aug: 4.5 %13 Aug: 4.3 %20 Aug: 4.8 %27 Aug: 4.6 %3 Sep: 4.5 %10 Sep: 4.7 %17 Sep: 4.9 %24 Sep: 4.7 %1 Oct: 5 % 16 Jul27 Aug1 Oct
Pin & bush clearance (mm)
1.07
3 2 23 Jul: 0.97 mm6 Aug: 1.05 mm20 Aug: 1.03 mm3 Sep: 1.08 mm17 Sep: 1.06 mm1 Oct: 1.07 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 · 08:19Leg set pressure345 bar✓ OKTelemetryHamish Grant
01 Oct 2026 · 08:19Leg pressure loss over shift5 %✓ OKTelemetryHamish Grant
01 Oct 2026 · 08:19Pin & bush clearance1.07 mm✓ OKInspectionHamish Grant
01 Oct 2026 · 08:19Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
24 Sep 2026 · 08:19Leg set pressure347 bar✓ OKTelemetryHamish Grant
24 Sep 2026 · 08:19Leg pressure loss over shift4.7 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:19Leg set pressure348 bar✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:19Leg pressure loss over shift4.9 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:19Pin & bush clearance1.06 mm✓ OKInspectionHamish Grant
17 Sep 2026 · 08:19Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
10 Sep 2026 · 08:19Leg set pressure344 bar✓ OKTelemetryHamish Grant
10 Sep 2026 · 08:19Leg pressure loss over shift4.7 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:19Leg set pressure347 bar✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:19Leg pressure loss over shift4.5 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:19Pin & bush clearance1.08 mm✓ OKInspectionHamish Grant
03 Sep 2026 · 08:19Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
27 Aug 2026 · 08:19Leg set pressure349 bar✓ OKTelemetryHamish Grant
27 Aug 2026 · 08:19Leg pressure loss over shift4.6 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:19Leg set pressure346 bar✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:19Leg pressure loss over shift4.8 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:19Pin & bush clearance1.03 mm✓ OKInspectionHamish Grant
20 Aug 2026 · 08:19Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
13 Aug 2026 · 08:19Leg set pressure350 bar✓ OKTelemetryHamish Grant
13 Aug 2026 · 08:19Leg pressure loss over shift4.3 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:19Leg set pressure351 bar✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:19Leg pressure loss over shift4.5 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:19Pin & bush clearance1.05 mm✓ OKInspectionHamish Grant
06 Aug 2026 · 08:19Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
30 Jul 2026 · 08:19Leg set pressure352 bar✓ OKTelemetryHamish Grant
30 Jul 2026 · 08:19Leg pressure loss over shift4.4 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:19Leg set pressure348 bar✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:19Leg pressure loss over shift4.1 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:19Pin & bush clearance0.97 mm✓ OKInspectionHamish Grant
23 Jul 2026 · 08:19Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
16 Jul 2026 · 08:19Leg set pressure352 bar✓ OKTelemetryHamish Grant
16 Jul 2026 · 08:19Leg pressure loss over shift4.3 %✓ OKTelemetryHamish Grant