Denso HP3 - Element Sub-Assembly Foreign Particles Check

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(10) Pull the element sub-assembly until it faces
straight up and remove the element sub-as-
sembly, plunger, and spring in the same way
as step (5).
NOTE:
As much as possible, avoid touching the
polished parts of the plungers and the surfaces
that contact the ring cam.
ADVICE:
The illustration at right is for step (5).
(11) Remove the O-ring in the same way as step
(6).
3.9 Element Sub-Assembly Foreign Particles
Check
(1) Insert the plunger into the disassembled ele-
ment sub-assembly.
NOTE:
Do not install the spring at this time. As much
as possible, avoid touching the surfaces that
contact the ring cam.
(2) Slowly pull the plunger back out. If you can feel
a vacuum then it is in normal condition.
NOTE:
If you can not feel a vacuum, foreign particles
have entered the element sub-assembly and it
must be changed.
3.10 Disassembling the Pump Body
(1) Partially loosen (two or three turns) the six hex-
agonal bolts on top of the cover sub-assembly.
• STT: Hexagonal Bit (95093-10030)
• STT: Driver Chuck (95992-10130)
Polished parts
Q000042E
QD0087
QD0086
QD0893