Mercury MerCruiser D2.8L D-Tronic Service Manual page 705

SERVICE MANUAL NUMBER 22
13. On D2.8L D-Tronic pumps: Install internal snap ring into pump body groove.
14. On D4.2L D-Tronic pumps:
a. Install spacer (washer) on shaft next to front seal assembly.
b. Install external retaining ring into groove of shaft.
15. Hold pump housing in soft-jaw vise. Install impeller into housing by turning clockwise
while simultaneously pushing inward as shown.
Typical Pump and Impeller
90-860074--1 FEBRUARY 2002
a - Snap Ring
a
a - Front Seal Assembly
b - Spacer (Washer)
c - External Retaining Ring
a
c
b
SEAWATER COOLING SYSTEM
70628
70694
70624
Page 6A-23