Chevrolet 10 Series 1970 Service Manual page 587

PUMP M O U N T IN G S C R E W S
F ig . 2 3 —W asher Pump A tta c h in g Screws
5. R em ove two (2) pump mounting bolts.
NOTE: A cc es s upper righ t b olt through ig n i­
tion switch opening using suitable extension.
6. Rem ove w asher pump assem bly.
7. To in stall re v e r s e steps 1-6.
CAUTIO N: Install w asher
connector with b attery lead on term in al with no
F ig . 2 4 —W asher Pump D riv e Cam
m ultiplug harness
4 L O B E C A M
(P R E S S FIT
O N S H A F T )
ELECTRICAL—BODY AND CHASSIS 12-25
F ig . 2 5 —W asher Pump D riv e Cam and A c tu a to r
tang (fig. 23). In co rrec t installation of connector
w ill resu lt in d ire c t ground and destroy w iper
m otor fu se.
Disassembly—Assembly
R e fe r to F igu re 26, 27.
1. Rem ove w asher pump c o v e r by squeezing.
2. Solenoid assem bly - ratchet dog.
a. R em ove the ratchet dog retaining screw . Hold
the spring loaded solenoid plunger in position
and c a refu lly lift
ratchet dog off the fra m e of the pump.
b. Separate the ratchet dog fro m solenoid mounting
plate as requ ired.
SOLENOID COIL
VALVE
ASSEMBLY „ J \
RATCHET
PAWL
F ig . 2 6 —W asher Pump M echanism
the solenoid assem bly
\ SOLENOID
PLUNGER
RATCHET
PAWL
SPRING
C A M FOLLOWER
UPPER PIN
' RING
CHEVROLET TRUCK SERVICE MANUAL
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