Bosch EPS 708 - 4.5 Clamping the Common Rail Pump; 4.5.1 Common Rail Pump with Tapered Shaft Connection

1 689 989 067 2017-12-08| Robert Bosch GmbH
46 | EPS 708 | Operationen
4.5 Clamping the common rail pump
! Always observe the tightening torques of fastening
parts and coupling halves (see sec. 8, Tightening
torques).
! The T-bar (special accessory) used to manually
rotate the flywheel (fig. 8, pos. 1) must not be left
inserted in the locating holes of the flywheel.
! The drive coupling (fig. 8, pos. 2) is a safety
component of the EPS 708. The drive coupling may
therefore only be repaired by the responsible Bosch
Customer Service.
! During all assembly work, such as clamping/
removing common rail pumps and common rail
injectors, the protective hood of the EPS 708 must
always be opened as far as it will go.
! Only use the specified clamping devices and drive
couplings for clamping common rail pumps on the
EPS 708.
! Before mounting the common rail pump to the
EPS 708, check actuators (EAV, DRV, DMV or ZME)
for short-circuited turns. If the resistance between
the connection pin and the housing is lower than
50Ohm, then the defective actuator must be
replaced before mounting to the EPS 708.
! Before clamping a common rail pump on the
EPS 708, check the pump housing for cracks and
the freedom of movement of the pump drive shaft.
Common rail pumps with a stiff or jammed drive
shaft or with a cracked housing must not to be
clamped or tested.
! Before fitting the drive flange, lubricate the radial
shaft oil seal of the common rail pump with engine
oil 15W-40. The common rail pump is only to be
operated with a lubricated radial shaft oil seal.
i When testing common rail pumps without a
lubricating oil supply, the lubricating oil supply and
return pipes (fig. 2, pos. 1 and 2) must be sealed
with dummy plugs.
i All clamping components and couplings required for
clamping are contained in the special accessories
catalog for EFEP/EPS (part number 1689980289)
or on the ToolsCATAlogue special accessories CD.
4.5.1 Common rail pump
with tapered shaft connection
i Special accessories are required for clamping the
common rail pump.
458846-05_Ko
1
2
3
4
5
6
Fig. 8: Common rail pump with tapered shaft connection
1 Flywheel
1)
2 Drive coupling
1)
3 Pump-specific drive flange
3)
4 Clamping bracket
2)
5 Pump-specific clamping flange
3
)
6 Common rail pump
1)
Included with the EPS 708
2)
Special accessory
3)
Included with set of accessories
1. Secure the drive coupling 1 686 401 024 (fig.8,
pos.2) to the flywheel (fig. 8, pos. 1) of the
EPS 708. The tightening torque of the bolts is
95 ±2 Nm.
2. In the CP 3.4 with lubricating oil supply, insert the
O-ring Ø10 x 3 mm (fig. 9, pos. 1) in the lubricating
oil supply hole of the common rail pump.
458800-12_ko
1
2
3
Fig. 9: Common rail pump with tapered shaft connection
1 O-ring
2 Common rail pump
3 Clamping flange