ENGINE REPAIR 6A-37
Removal of hydraulic accumulator (Rail) and hing
pressure fuel pump assembly
8) Remove high pressure fuel pipe (19); when disconnecting
high pressure fuel pump (18), hold outlet union nut (17) to
avoid turning.
9) Disconnect return pipes (16), remove union nut (22) and
return multiple connector (21).
10) Remove nuts (20) and soundproof portector (15) from
hydraulic accumulator.
11) Remove nuts (24) and hydraulic accumulator assembly (23).
12) Remove high pressure fuel pump (25).
NOTE:
It’s not necesary to note any fitting reference for the
high pressure fuel pump; it can be installed on any
position.
Installation
1) Install high pressure fue pump (25) and tighten nuts at
spedified torque.
Tightening torque high pressure fuel pump nuts:
2,5 kg-m (25 Nm)
NOTE:
When replacing high pressure fuel pump coupling hub,
use the out rotation tool 99365143 to loosen the hub
fitting nut. To remove hub, use tool 790991
2) Install hydraulic accumulator (Rail) (23) and tighten nuts at
spedified torque:
Tightening torque hydraulic accumulator (Rail) nuts:
2,5 Kg-m (25 Nm)
3) Connect high pressure pipe (19) at pump and hydraulic
accumulator, tigtening its union nuts to spedified torque.
Tightening toque racors high pressure pipe:
2 kg-m (20 Nm)
NOTE:
• In any repair is refuired on high pressure pipe (19),
replace it as neccesary.
• To tighten union nut to pump, hold outlet union nut
(17) to rotate.
15
16
17
18
19
20
21
22
25
24
23
25
20
17
23