JABSCO 1673-Series, Manual, Page: 2 / 4

OPERATING INSTRUCTIONS (Cont.)
7. PRESSURES - Consult Head Capacity Table for
recommended maximum for continuous operation. If
pressures exceed those shown, consult the factory.
8. TEMPERATURES - Neoprene 45°-180° F (7°-82° C),
Nitrile 50°-180° F (10°-82° C).
9. FREEZING WEATHER - Drain unit by loosening end
cover. The following anti-freeze compounds can be
used without any adverse effects to the neoprene impeller:
Atlas “Permaguard”, DuPont “Zerex” and “Telar”, Dow
Chemical “Dowguard” and Olin Mathison “Pyro
Permanent”. Most methyl alcohol (methanol) based
antifreeze can be used with neoprene. (DO NOT USE
PETROLEUM BASED ANTI-FREEZE COMPOUNDS
OR RUST INHIBITORS.)
10. SPARE PARTS - To avoid costly shut downs, keep a
JABSCO Service Kit on hand.
KEY DESCRIPTION PART NO. QTY
1 SCREW KIT (CAM & END COVER SCREWS)† 18753-0134 1
2 ENDCOVER 11836-0000 1
3 *O-RING 18753-0133 1
4 *IMPELLER 1
NEOPRENE 1210-0001
NITRILE 1210-0003
5 *SEAL 92700-0060 1
6 CAM 1
FULL THICKNESS 490-0001
HALF THICKNESS 2434-0000
7 SCREW, CAM SEE KEY1
8 BODY 18753-0128 1
9 RETAINING RING 18753-0131 1
10 SLINGER 3286-0000 1
11 BEARING 92600-0120 2
12 SHAFT 18753-0129 1
13 RETAINING RING 18753-0132 1
14 KEY 9215-0010 1
SERVICE KIT
NEOPRENE 90015-0001
NITRILE 90015-0003
PARTS LIST
* Parts supplied in Service Kit. Also included is an end cover gasket for older model pumps. Do not use gasket with O-ring end
cover seal.
† Screw Kit contains 7 each #10-32 x 3/8” pan. hd. mach. screws and 1 each #10-32 x 5/16”pan. hd. mach. screw.
The 5/16” screw is used only with a half thickness cam.
EXPLODED VIEW