Mitsubishi S4E - Feed Pump Disassembly and Reassembly

DISASSEMBLY AND REASSEMBLY
Feed pump disassembly and reassembly
18
~-
2
d
, ·Pump hOUSit'lg
2-Primil19 pump
3-Check valve
4·Pinon chamber j:>luQ
5-Pln on
6·Pitton ,"pring
?Rlng
8·T&PPet
9-Push r od
lO ·Vahl.luPPOrt
'l-ctleck VBlv8 spring
12 ·H(]ilow screw
13-Hallow
sc r ew
14·Gaule filter
15-Nlpp le
Feed pump - Exploded view
(1) Remove priming pump (2), and take out check
valve (3).
l - Verv,", ho ld er
3-Che c:k 113 1 ve
2·Prlrn i l'lg pump
Removing primi ng pump
' lOB
[ NOTE)
Priming pump is not meant for disassembly:
its cylinder and valve hol der are integrnUy rom·
bined by using. bonding compound.
(2) Loosen pist on chamber pl ug (4), pick out piston
spring (6), and draw
O U\ piston (5).
4-Piston eh,mbar plug
6 -P istan !p ring
5- Pi no n
Removing feed pump piston
(3) Remove ring (7), and lake out tappet (8) and pu;h
rod .
7..sp rin ~ 8·T.ppet
Removi n9 feed pump tappet: