7-62 BA E14 track en* 1.3 * E14t_13_710.fm
7 Maintenance
Measures for increasing intervals between regeneration
• Avoid frequent engine stop-starts.
• Bring engine up to operating temperature.
• Avoid operation under low-load conditions.
• Do not disable or cancel regeneration.
• Re-perform regeneration as soon as possible after being disabled/
canceled.
• Only use clean diesel fuel according to the fluids and lubricants list.
Measures when operating at great heights (ET65/404F-22T)
• At 800 m (2625 ft.) above sea level, the vehicle automatically switches
into high-altitude mode. The maximum engine speed increases to
2400 rpm and the adjacent symbol appears during the starting
process.
• Operate the vehicle permanently at maximum speed to avoid shorter
DPF regeneration intervals.
• When the boundary of 800 m (2625 ft.) is exceeded while driving, stop
the engine and start it again after two minutes; this allows the high-
altitude mode to switch on.
• The Eco and Power modes cannot be switched to manually when
driving in high-altitude mode.
The sea level of 800 m (2625 ft.) is a rough estimate and is affected by
various environmental factors. The actual value may vary.
Types of regeneration
Type Vehicle Description
Automatic regeneration
ET65/404F-22T
ET90/TCD 2.9 DPF
Is automatically performed by engine; work
may be performed with the vehicle
Manual regeneration ET65/404F-22T
Is started by driver; work may be performed
with the vehicle
Standstill regeneration ET90/TCD 2.9 DPF
Is started by driver; vehicle may not be
started or used for work
Service regeneration
ET65/404F-22T
ET90/TCD 2.9 DPF
May be performed only by an authorized ser-
vice center
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