Phoenix

MO-RS-041

Shield 41 — Moolarben Underground · Caterpillar 2-leg shield 1,250 t
Demo 06 Oct 2026
← Moolarben Underground
Health & life
▲ AlarmIn service
12,125 / 22,000 h Change-out now · Leg chrome damage rating
12,125h since overhaul
9,875h left
Nowchange-out
Leg chrome damage ratingdriver
Leg set pressure
364 bar
01 Oct 2026 · 07:55
Leg pressure loss over shift
4.8 %
01 Oct 2026 · 07:55
Pin & bush clearance
1.14 mm
01 Oct 2026 · 07:55
Leg chrome damage rating
4 /5
01 Oct 2026 · 07:55
Unit
Site
Moolarben Underground
Class
Roof support
Make / model
Caterpillar 2-leg shield 1,250 t
Serial
CA22-8121
Position
Shield 41
Run hours
32,427
Last overhaul
01 Dec 2024 @ 20,302 h
Interval
22,000 h
Site hours
126 h / week
Leg set pressure (bar)
364
285 320 16 Jul: 365 bar23 Jul: 367 bar30 Jul: 365 bar6 Aug: 367 bar13 Aug: 366 bar20 Aug: 366 bar27 Aug: 366 bar3 Sep: 365 bar10 Sep: 361 bar17 Sep: 362 bar24 Sep: 363 bar1 Oct: 364 bar 16 Jul27 Aug1 Oct
Leg pressure loss over shift (%)
4.8
15 8 16 Jul: 4.4 %23 Jul: 4.5 %30 Jul: 4.3 %6 Aug: 4.7 %13 Aug: 4.9 %20 Aug: 4.9 %27 Aug: 4.5 %3 Sep: 5 %10 Sep: 4.6 %17 Sep: 4.7 %24 Sep: 5 %1 Oct: 4.8 % 16 Jul27 Aug1 Oct
Pin & bush clearance (mm)
1.14
3 2 23 Jul: 0.98 mm6 Aug: 1.08 mm20 Aug: 1.08 mm3 Sep: 1.09 mm17 Sep: 1.04 mm1 Oct: 1.14 mm 23 Jul3 Sep1 Oct
Leg chrome damage rating (/5)
4
4 2 23 Jul: 3 /56 Aug: 3 /520 Aug: 4 /53 Sep: 4 /517 Sep: 4 /51 Oct: 4 /5 23 Jul3 Sep1 Oct
Actions
CMA-1202 — Leg chrome rated 4/5 — seal-cutting damage on inner leg
01 Oct 2026 ·
Open
Workshop history
No workshop items linked to this unit.
Reading historylatest 60
WhenParameterValueGradeSourceBy
01 Oct 2026 · 07:55Leg set pressure364 bar✓ OKTelemetryHamish Grant
01 Oct 2026 · 07:55Leg pressure loss over shift4.8 %✓ OKTelemetryHamish Grant
01 Oct 2026 · 07:55Pin & bush clearance1.14 mm✓ OKInspectionHamish Grant
01 Oct 2026 · 07:55Leg chrome damage rating4 /5▲ AlarmInspectionHamish Grant
24 Sep 2026 · 07:55Leg set pressure363 bar✓ OKTelemetryHamish Grant
24 Sep 2026 · 07:55Leg pressure loss over shift5 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 07:55Leg set pressure362 bar✓ OKTelemetryHamish Grant
17 Sep 2026 · 07:55Leg pressure loss over shift4.7 %✓ OKTelemetryHamish Grant
17 Sep 2026 · 07:55Pin & bush clearance1.04 mm✓ OKInspectionHamish Grant
17 Sep 2026 · 07:55Leg chrome damage rating4 /5▲ AlarmInspectionHamish Grant
10 Sep 2026 · 07:55Leg set pressure361 bar✓ OKTelemetryHamish Grant
10 Sep 2026 · 07:55Leg pressure loss over shift4.6 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 07:55Leg set pressure365 bar✓ OKTelemetryHamish Grant
03 Sep 2026 · 07:55Leg pressure loss over shift5 %✓ OKTelemetryHamish Grant
03 Sep 2026 · 07:55Pin & bush clearance1.09 mm✓ OKInspectionHamish Grant
03 Sep 2026 · 07:55Leg chrome damage rating4 /5▲ AlarmInspectionHamish Grant
27 Aug 2026 · 07:55Leg set pressure366 bar✓ OKTelemetryHamish Grant
27 Aug 2026 · 07:55Leg pressure loss over shift4.5 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 07:55Leg set pressure366 bar✓ OKTelemetryHamish Grant
20 Aug 2026 · 07:55Leg pressure loss over shift4.9 %✓ OKTelemetryHamish Grant
20 Aug 2026 · 07:55Pin & bush clearance1.08 mm✓ OKInspectionHamish Grant
20 Aug 2026 · 07:55Leg chrome damage rating4 /5▲ AlarmInspectionHamish Grant
13 Aug 2026 · 07:55Leg set pressure366 bar✓ OKTelemetryHamish Grant
13 Aug 2026 · 07:55Leg pressure loss over shift4.9 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 07:55Leg set pressure367 bar✓ OKTelemetryHamish Grant
06 Aug 2026 · 07:55Leg pressure loss over shift4.7 %✓ OKTelemetryHamish Grant
06 Aug 2026 · 07:55Pin & bush clearance1.08 mm✓ OKInspectionHamish Grant
06 Aug 2026 · 07:55Leg chrome damage rating3 /5● WatchInspectionHamish Grant
30 Jul 2026 · 07:55Leg set pressure365 bar✓ OKTelemetryHamish Grant
30 Jul 2026 · 07:55Leg pressure loss over shift4.3 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 07:55Leg set pressure367 bar✓ OKTelemetryHamish Grant
23 Jul 2026 · 07:55Leg pressure loss over shift4.5 %✓ OKTelemetryHamish Grant
23 Jul 2026 · 07:55Pin & bush clearance0.98 mm✓ OKInspectionHamish Grant
23 Jul 2026 · 07:55Leg chrome damage rating3 /5● WatchInspectionHamish Grant
16 Jul 2026 · 07:55Leg set pressure365 bar✓ OKTelemetryHamish Grant
16 Jul 2026 · 07:55Leg pressure loss over shift4.4 %✓ OKTelemetryHamish Grant