GORMAN-RUPP AMT 3993-96 Specifications Information And Repair Parts Manual

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Specifications Information and Repair Parts Manual
Please read and save this Repair Parts Manual. Read this manual and the General Operating Instructions carefully before attempting to assemble, install, operate
or maintain the product described. Protect yourself and others by observing all safety information. The Safety Instructions are contained in the General Operating
Instructions. Failure to comply with the safety instructions accompanying this product could result in personal injury and/or property damage! Retain instructions
for future reference. AMT reserves the right to discontinue any model or change specifications at any time without incurring any obligation.
©2017 AMT Pump Company, A Subsidiary of The Gorman-Rupp Company, All Rights Reserved.
Periodic maintenance and inspection is required on all pumps to ensure proper operation. Unit must be clear of debris and sediment. Inspect for leaks and loose bolts. Failure to do so
voids warranty.
4-INCH TRASH PUMP
Refer to pump manual 1808-633-00 for General Operating and Safety Instructions.

DESCRIPTION

This trash pump is a heavy duty, centrifugal, engine-driven, self-priming (to 20 ft. lift after initially filling casing with liquid) portable unit. Pump is equipped with
precision lapped mechanical seal to reduce the likelihood of leakage and a clog-resistant impeller capable of handling solids up to 2" diameter. Units are used
to handle water containing stones, sticks, mud and other solids (up to 25% by volume). O-ring sealed flange connections facilitate easy removal of suction and
discharge lines. Handles liquids from 40º to 180º F (4º to 82º C). For use with nonflammable fluids compatible with pump component materials.
All models come standard with manual recoil starter, E-start models 3993-96, 3993-Z6 and 3994-96 feature in addition a 12V electric starter switch and cables.
5" W x 7¾" L x 5" H battery holder included. (Battery not included; obtain 12V, 32 amp hour battery from local lawn and garden shop).
Pump and engine are mounted on rugged transport dolly with fully pneumatic 16" ball bearing wheels. Proper weight distribution ensures easy portability, yet
pump is stable when operating. Four position discharge manifold provides a choice in placing hose.

SPECIFICATIONS

Suction inlet................................................................4" MNPT
Discharge outlet.........................................................4" MNPT
Engine
4210-96..............................................................Honda GX390
3993-96*............................................................B&S Vanguard
3994-96*.............................................................Honda GX390
3993-Z6*...................................................................Hatz 1B50
*E-Start Models
Basic construction...................Aluminum with cast iron volute,
impeller, wear plates and discharge manifold; silicon carbide
seal.
Battery........12 Volt, type No. 9A1, 32 amp hour (not supplied)
Battery tray*...............................................5" W x 7¾" L x 5" H
(*E-Start Models)

UNPACKING

Refer to Repair Parts Illustration and Repair Parts List to aid in
identifying parts. Unpack and separate all pump components
from container making sure all parts are accounted for.
Packages should contain:
1. Pump and engine completely assembled on wheel kit.
2. Battery tray (Ref. No. 43) and battery tray hardware (E-start
models only).
3. 4" NPT Nipple Pack and Strainer.

ASSEMBLY

(Refer to Figure 2)
1. Remove pump from packaging.
2. Stand pump carefully on pump end. Reposition handle
(Ref. No. 42) (as shown in Figure 2) facing outwards by
removing and replacing existing handle fasteners.
3993-254-00
AMT Pumps 3993-Z6
3. Electric Start Models Only: Attach battery tray (Ref. No.
43) to left engine rail using fasteners used with handle.
Install a 12 volt type no. 9A1 garden tractor battery 32 amp
hour rating, approx. size 7¾" L x 5" W x 6" H (not included)
onto battery tray. Using hardware included with pump,
insert hook bolts through battery tray holes, thread facing
up. Attach battery box hold down bar across battery and
thread wing nuts onto hook bolts. Refer to engine manual
for proper wiring instructions.
NOTE: Model 3993-Z6 battery tray mounts foward as in picture
below.
1
3993-96, 3993-Z6, 3994-96 & 4210-96
3/2017