Phoenix

MO-RS-071

Shield 71 — Moolarben Underground · Caterpillar 2-leg shield 1,250 t
Demo 06 Oct 2026
← Moolarben Underground
Health & life
✓ OKIn service
17,009 / 22,000 h Change-out 10 Jul 2027 · Run hours
17,009h since overhaul
4,991h left
10 Jul 2027change-out
Run hoursdriver
Leg set pressure
351 bar
01 Oct 2026 · 08:13
Leg pressure loss over shift
4.2 %
01 Oct 2026 · 08:13
Pin & bush clearance
1.44 mm
01 Oct 2026 · 08:13
Leg chrome damage rating
1 /5
01 Oct 2026 · 08:13
Unit
Site
Moolarben Underground
Class
Roof support
Make / model
Caterpillar 2-leg shield 1,250 t
Serial
CA22-3953
Position
Shield 71
Run hours
60,770
Last overhaul
05 Mar 2024 @ 43,761 h
Interval
22,000 h
Site hours
126 h / week
Leg set pressure (bar)
351
285 320 16 Jul: 357 bar23 Jul: 357 bar30 Jul: 355 bar6 Aug: 352 bar13 Aug: 354 bar20 Aug: 354 bar27 Aug: 353 bar3 Sep: 353 bar10 Sep: 353 bar17 Sep: 350 bar24 Sep: 350 bar1 Oct: 351 bar 16 Jul27 Aug1 Oct
Leg pressure loss over shift (%)
4.2
15 8 16 Jul: 4.1 %23 Jul: 3.9 %30 Jul: 3.9 %6 Aug: 3.8 %13 Aug: 4.3 %20 Aug: 4.2 %27 Aug: 4.4 %3 Sep: 4.3 %10 Sep: 4.2 %17 Sep: 3.9 %24 Sep: 4.5 %1 Oct: 4.2 % 16 Jul27 Aug1 Oct
Pin & bush clearance (mm)
1.44
3 2 23 Jul: 1.34 mm6 Aug: 1.32 mm20 Aug: 1.32 mm3 Sep: 1.46 mm17 Sep: 1.44 mm1 Oct: 1.44 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 · 08:13Leg set pressure351 bar✓ OKTelemetryHamish Grant
01 Oct 2026 · 08:13Leg pressure loss over shift4.2 %✓ OKTelemetryHamish Grant
01 Oct 2026 · 08:13Pin & bush clearance1.44 mm✓ OKInspectionHamish Grant
01 Oct 2026 · 08:13Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
24 Sep 2026 · 08:13Leg set pressure350 bar✓ OKTelemetryHamish Grant
24 Sep 2026 · 08:13Leg pressure loss over shift4.5 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:13Leg set pressure350 bar✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:13Leg pressure loss over shift3.9 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:13Pin & bush clearance1.44 mm✓ OKInspectionHamish Grant
17 Sep 2026 · 08:13Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
10 Sep 2026 · 08:13Leg set pressure353 bar✓ OKTelemetryHamish Grant
10 Sep 2026 · 08:13Leg pressure loss over shift4.2 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:13Leg set pressure353 bar✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:13Leg pressure loss over shift4.3 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:13Pin & bush clearance1.46 mm✓ OKInspectionHamish Grant
03 Sep 2026 · 08:13Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
27 Aug 2026 · 08:13Leg set pressure353 bar✓ OKTelemetryHamish Grant
27 Aug 2026 · 08:13Leg pressure loss over shift4.4 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:13Leg set pressure354 bar✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:13Leg pressure loss over shift4.2 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:13Pin & bush clearance1.32 mm✓ OKInspectionHamish Grant
20 Aug 2026 · 08:13Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
13 Aug 2026 · 08:13Leg set pressure354 bar✓ OKTelemetryHamish Grant
13 Aug 2026 · 08:13Leg pressure loss over shift4.3 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:13Leg set pressure352 bar✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:13Leg pressure loss over shift3.8 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:13Pin & bush clearance1.32 mm✓ OKInspectionHamish Grant
06 Aug 2026 · 08:13Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
30 Jul 2026 · 08:13Leg set pressure355 bar✓ OKTelemetryHamish Grant
30 Jul 2026 · 08:13Leg pressure loss over shift3.9 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:13Leg set pressure357 bar✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:13Leg pressure loss over shift3.9 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:13Pin & bush clearance1.34 mm✓ OKInspectionHamish Grant
23 Jul 2026 · 08:13Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
16 Jul 2026 · 08:13Leg set pressure357 bar✓ OKTelemetryHamish Grant
16 Jul 2026 · 08:13Leg pressure loss over shift4.1 %✓ OKTelemetryHamish Grant