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DAF 95XF. Manual - part 8

Warnings

SAFETY INSTRUCTIONS AND WARNINGS

2-5

Position of cab feed--through connectors
The cab feed--through connectors are located at
the cab front.

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2.3 JUMP--STARTING

Never start the vehicle by means
of a fast--charging device.

The engine may be started with
the aid of jump leads using the
power from separate auxiliary
batteries (approx. 24V) or from
another vehicle with the engine
running (approx. 28V).

Connect the jump leads first to the positive
terminal (+), and then to the negative
terminal (--).

Start the engine.

After starting, switch on as many power
consumers as possible on the assisted
vehicle, in order to avoid a so--called load
dump.

Then disconnect the jump leads from the
negative terminal (--) first, followed by the
positive terminal (+).

Switch the power consumers off again.

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SAFETY INSTRUCTIONS AND WARNINGS

Warnings

2-6

2.4 PLASTIC PIPES

Removing nipples or banjo unions in
polyamide pipes
1.

Heat the pipe to remove the nipple or banjo
union. Never remove the nipple or banjo
union by making an incision in the
longitudinal direction of the pipe. This could
easily result in damage of the hose adapter.
Even minor damage to the hose adapter will
cause leakage.

Fitting nipples or banjo unions in polyamide
pipes
1.

Do not fit nipples or banjo unions to the
same pipe end more than once, because
this could result in poor sealing.

Cut off the pipe end if it has been used
before. If shortening the pipe results in a
sharp curve in the pipe or if it makes the
pipe too short, a new pipe will have to be
fitted.

Always use a special spanner (Special
Tools, DAF No. 0694829) to fit nipples and
banjo unions in polyamide pipes.

Clamp the plastic pipe in the special pliers
(1).

Use a plastic mallet to tap the nipple or
banjo union into the pipe.

Note:
Never heat a plastic pipe when fitting nipples or
banjo unions.

Leakage from pipes
Leakage from fuel and air pipes must be
remedied as soon as possible to avoid
dangerous situations.

A leaking fuel pipe may constitute a fire hazard,
while a leaking air pipe may affect the braking
performance of the vehicle.

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Warnings

SAFETY INSTRUCTIONS AND WARNINGS

2-7

In the event of a leakage from a pipe coupling,
unlimited tightening of the union nut or banjo
bolt is not permitted.

First check whether the leak is at the
connection point between the pipe and
coupling or at the connection point between
coupling and the component housing.

Tighten a banjo bolt to the tightening torque
specified for the banjo bolt in question.

A union nut may be tightened a further half
turn (180 ) only once. Tightening the union
nut further than this is possible, but entails
the risk of excessive deformation of the
thrust washer and the pipe, which would
seriously weaken the pipe.

If the leakage has not stopped after the
union nut has been retightened, it will be
necessary to take the coupling apart.

Check the parts for deposits and/or
damage. Even a small longitudinal scratch
on the pipe connector of a nipple or a banjo
union may be sufficient to cause a leak.

In the case of a banjo bolt fastening, check
the sealing surfaces. Fit new sealing rings
to the fastening and fit them. Tighten the
attachment bolts to the specified torque.
See “Technical Data”.

Chafing of pipes
When plastic pipes touch each other or other
parts of the vehicle, they may get chafed.

Immediately replace any pipes that show signs
of wear.

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SAFETY INSTRUCTIONS AND WARNINGS

Warnings

2-8

When pipes are fitted so close together or so
close to other parts of the vehicle that they may
touch, they should be secured to prevent
chafing.
Releasing an elbow or T--piece and then
tightening it in a slightly different position can
sometimes prevent chafing.

Secure the pipes with cable ties.

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