Phoenix

MO-RS-121

Shield 121 — Moolarben Underground · Caterpillar 2-leg shield 1,250 t
Demo 06 Oct 2026
← Moolarben Underground
Health & life
✓ OKIn service
16,576 / 22,000 h Change-out 03 Aug 2027 · Run hours
16,576h since overhaul
5,424h left
03 Aug 2027change-out
Run hoursdriver
Leg set pressure
360 bar
01 Oct 2026 · 08:43
Leg pressure loss over shift
5.7 %
01 Oct 2026 · 08:43
Pin & bush clearance
1.23 mm
01 Oct 2026 · 08:43
Leg chrome damage rating
1 /5
01 Oct 2026 · 08:43
Unit
Site
Moolarben Underground
Class
Roof support
Make / model
Caterpillar 2-leg shield 1,250 t
Serial
CA22-8990
Position
Shield 121
Run hours
38,181
Last overhaul
29 Mar 2024 @ 21,605 h
Interval
22,000 h
Site hours
126 h / week
Leg set pressure (bar)
360
285 320 16 Jul: 364 bar23 Jul: 363 bar30 Jul: 363 bar6 Aug: 364 bar13 Aug: 362 bar20 Aug: 363 bar27 Aug: 360 bar3 Sep: 362 bar10 Sep: 359 bar17 Sep: 360 bar24 Sep: 359 bar1 Oct: 360 bar 16 Jul27 Aug1 Oct
Leg pressure loss over shift (%)
5.7
15 8 16 Jul: 4.9 %23 Jul: 5.1 %30 Jul: 4.9 %6 Aug: 4.9 %13 Aug: 4.9 %20 Aug: 5.4 %27 Aug: 5.3 %3 Sep: 5.5 %10 Sep: 5.2 %17 Sep: 5.4 %24 Sep: 5.5 %1 Oct: 5.7 % 16 Jul27 Aug1 Oct
Pin & bush clearance (mm)
1.23
3 2 23 Jul: 1.13 mm6 Aug: 1.19 mm20 Aug: 1.18 mm3 Sep: 1.2 mm17 Sep: 1.14 mm1 Oct: 1.23 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 · 08:43Leg set pressure360 bar✓ OKTelemetryHamish Grant
01 Oct 2026 · 08:43Leg pressure loss over shift5.7 %✓ OKTelemetryHamish Grant
01 Oct 2026 · 08:43Pin & bush clearance1.23 mm✓ OKInspectionHamish Grant
01 Oct 2026 · 08:43Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
24 Sep 2026 · 08:43Leg set pressure359 bar✓ OKTelemetryHamish Grant
24 Sep 2026 · 08:43Leg pressure loss over shift5.5 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:43Leg set pressure360 bar✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:43Leg pressure loss over shift5.4 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 08:43Pin & bush clearance1.14 mm✓ OKInspectionHamish Grant
17 Sep 2026 · 08:43Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
10 Sep 2026 · 08:43Leg set pressure359 bar✓ OKTelemetryHamish Grant
10 Sep 2026 · 08:43Leg pressure loss over shift5.2 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:43Leg set pressure362 bar✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:43Leg pressure loss over shift5.5 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 08:43Pin & bush clearance1.2 mm✓ OKInspectionHamish Grant
03 Sep 2026 · 08:43Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
27 Aug 2026 · 08:43Leg set pressure360 bar✓ OKTelemetryHamish Grant
27 Aug 2026 · 08:43Leg pressure loss over shift5.3 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:43Leg set pressure363 bar✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:43Leg pressure loss over shift5.4 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 08:43Pin & bush clearance1.18 mm✓ OKInspectionHamish Grant
20 Aug 2026 · 08:43Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
13 Aug 2026 · 08:43Leg set pressure362 bar✓ OKTelemetryHamish Grant
13 Aug 2026 · 08:43Leg pressure loss over shift4.9 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:43Leg set pressure364 bar✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:43Leg pressure loss over shift4.9 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 08:43Pin & bush clearance1.19 mm✓ OKInspectionHamish Grant
06 Aug 2026 · 08:43Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
30 Jul 2026 · 08:43Leg set pressure363 bar✓ OKTelemetryHamish Grant
30 Jul 2026 · 08:43Leg pressure loss over shift4.9 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:43Leg set pressure363 bar✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:43Leg pressure loss over shift5.1 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 08:43Pin & bush clearance1.13 mm✓ OKInspectionHamish Grant
23 Jul 2026 · 08:43Leg chrome damage rating1 /5✓ OKInspectionHamish Grant
16 Jul 2026 · 08:43Leg set pressure364 bar✓ OKTelemetryHamish Grant
16 Jul 2026 · 08:43Leg pressure loss over shift4.9 %✓ OKTelemetryHamish Grant