What faults can a 360 enter service with?
- AC Earth faults
- Windscreen damaged (not obscuring vision)
- PIS defective (manual PAs to be made)
- Defective Couplers (mechanical and/or electrical)
- Dynamic Brake defective
- HVAC (dependant on weather and passenger comfort)
- Driving cab door defective (Egress is operational)
- Single TCU (traction container) failure
Conditions and speeds attached to ATP isolated?
[High risk - Detrain at next station]
- If TPWS is operational, you can run line speed but cannot run west of Hayes and Harlington
- If both ATP and TPWS isolated- 40mph max- or line speed with competent person (40mph in poor visibility)
- If ATP is isolated within Heathrow Tunnel- must not exceed 5mph from the entrance of each platform
Conditions and speeds attached to Isolated Brakes?
[1 Vehicle in 5, or 2 in 10]
- If isolated on an intermediate vehicle (TOS/PTOS)- 20% below line speed
- if isolated on any DMOS vehicle- 5mph max
Conditions and Speeds attached to any external doors not being able to close?
- Move passengers away from the affected vehicle- competent person to guard door
- Get adjacent line blocked
- must not exceed 20mph
Conditions and speeds attached to DSD isolated?
- Detrain at next suitable Category A station
- 40mph max, or line speed with competent person
Conditions and Speeds attached if both headlamps defective?
- with authority of TVSC you could run at a reduced speed of 20mph with marker lights
- if portable headlamp is provided at the next terminal station- 75mph
Conditions and Speeds attached with defective tail lamps?
- 1 lamp defective- no action required
- 2 lamps defective- portable tail lamp must be provided
- no portable tail lamp- out of service
Actions if TMS becomes defective?
- Detrain at next suitable Category A station
Conditions and Speeds attached to defective secondary suspension (air bags)?
- Detrain at next available or suitable category A station dependent on guidance from technicians
- 30mph max
Conditions and Speeds attached to defective primary suspension (springs)
- Detrain at next available or suitable category A station dependent on guidance from technicians
(no speed attached)
Conditions and Speeds attached to a defective warning horn?
- If one tone is working you could possibly remain in service
- if both tones not working- detrain at the next station- 20mph max
Conditions attached if WSP is isolated on intermediate vehicles (TOS/PTOS)?
- possibly remain in service or detrain at the next station dependent on environmental or low adhesion conditions
Conditions and speeds if WSP is isolated on DMOS vehicles?
- Detrain at the next station
- brakes will need to be isolated on the affected vehicle
