Phoenix

MO-RS-077

Shield 77 — Moolarben Underground · Caterpillar 2-leg shield 1,250 t
Demo 06 Oct 2026
← Moolarben Underground
Health & life
✓ OKIn service
19,030 / 22,000 h Change-out 20 Mar 2027 · Run hours
19,030h since overhaul
2,970h left
20 Mar 2027change-out
Run hoursdriver
Leg set pressure
351 bar
01 Oct 2026 · 08:16
Leg pressure loss over shift
6.9 %
01 Oct 2026 · 08:16
Pin & bush clearance
1.52 mm
01 Oct 2026 · 08:16
Leg chrome damage rating
1 /5
01 Oct 2026 · 08:16
Unit
Site
Moolarben Underground
Class
Roof support
Make / model
Caterpillar 2-leg shield 1,250 t
Serial
CA23-1080
Position
Shield 77
Run hours
67,980
Last overhaul
14 Nov 2023 @ 48,950 h
Interval
22,000 h
Site hours
126 h / week
Leg set pressure (bar)
351
285 320 16 Jul: 356 bar23 Jul: 352 bar30 Jul: 356 bar6 Aug: 354 bar13 Aug: 351 bar20 Aug: 351 bar27 Aug: 350 bar3 Sep: 353 bar10 Sep: 349 bar17 Sep: 350 bar24 Sep: 347 bar1 Oct: 351 bar 16 Jul27 Aug1 Oct
Leg pressure loss over shift (%)
6.9
15 8 16 Jul: 6.2 %23 Jul: 6.3 %30 Jul: 6.5 %6 Aug: 6.4 %13 Aug: 6.5 %20 Aug: 6.8 %27 Aug: 6.4 %3 Sep: 6.8 %10 Sep: 6.7 %17 Sep: 7.1 %24 Sep: 7 %1 Oct: 6.9 % 16 Jul27 Aug1 Oct
Pin & bush clearance (mm)
1.52
3 2 23 Jul: 1.38 mm6 Aug: 1.36 mm20 Aug: 1.38 mm3 Sep: 1.39 mm17 Sep: 1.41 mm1 Oct: 1.52 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 · 08:16Leg set pressure351 bar✓ OKTelemetryHamish Grant
01 Oct 2026 · 08:16Leg pressure loss over shift6.9 %✓ OKTelemetryHamish Grant
01 Oct 2026 · 08:16Pin & bush clearance1.52 mm✓ OKInspectionHamish Grant
01 Oct 2026 · 08:16Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
24 Sep 2026 · 08:16Leg set pressure347 bar✓ OKTelemetryHamish Grant
24 Sep 2026 · 08:16Leg pressure loss over shift7 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:16Leg set pressure350 bar✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:16Leg pressure loss over shift7.1 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:16Pin & bush clearance1.41 mm✓ OKInspectionHamish Grant
17 Sep 2026 · 08:16Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
10 Sep 2026 · 08:16Leg set pressure349 bar✓ OKTelemetryHamish Grant
10 Sep 2026 · 08:16Leg pressure loss over shift6.7 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:16Leg set pressure353 bar✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:16Leg pressure loss over shift6.8 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:16Pin & bush clearance1.39 mm✓ OKInspectionHamish Grant
03 Sep 2026 · 08:16Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
27 Aug 2026 · 08:16Leg set pressure350 bar✓ OKTelemetryHamish Grant
27 Aug 2026 · 08:16Leg pressure loss over shift6.4 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:16Leg set pressure351 bar✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:16Leg pressure loss over shift6.8 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:16Pin & bush clearance1.38 mm✓ OKInspectionHamish Grant
20 Aug 2026 · 08:16Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
13 Aug 2026 · 08:16Leg set pressure351 bar✓ OKTelemetryHamish Grant
13 Aug 2026 · 08:16Leg pressure loss over shift6.5 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:16Leg set pressure354 bar✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:16Leg pressure loss over shift6.4 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:16Pin & bush clearance1.36 mm✓ OKInspectionHamish Grant
06 Aug 2026 · 08:16Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
30 Jul 2026 · 08:16Leg set pressure356 bar✓ OKTelemetryHamish Grant
30 Jul 2026 · 08:16Leg pressure loss over shift6.5 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:16Leg set pressure352 bar✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:16Leg pressure loss over shift6.3 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:16Pin & bush clearance1.38 mm✓ OKInspectionHamish Grant
23 Jul 2026 · 08:16Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
16 Jul 2026 · 08:16Leg set pressure356 bar✓ OKTelemetryHamish Grant
16 Jul 2026 · 08:16Leg pressure loss over shift6.2 %✓ OKTelemetryHamish Grant