
HAND OPERATED 
WATER PUMP
01318
SET UP AND OPERATING INSTRUCTIONS
Visit our website at: http://www.harborfreight.com
 Read this material before using this product. 
Failure to do so can result in serious injury. 
SAVE THIS MANUAL.
Copyright© 1999 by Harbor Freight Tools®. All rights reserved. No portion of this manual or any artwork 
contained herein may be reproduced in any shape or form without the express written consent of 
Harbor Freight Tools.  Diagrams within this manual may not be drawn proportionally. Due to continuing 
improvements, actual product may differ slightly from the product described herein.  Tools required for 
assembly and service may not be included.
For technical questions or replacement parts, please call 1-800-444-3353.
Manual Revised 10k
 

SPECIFICATIONS
Handle 7” 
Inlet Pipe Diameter 1-1/4” NPT 
Maximum Lift 25 Feet 
Maximum Volume 12 oz. Per Stroke 
Assembled Dim. 17” H x 8” W 
Spout to Handle 12-1/2” 
Construction Cast Iron Body, Base, and Handle
Aluminum Internal Parts
This product can be set up to pump water but 
never use this product to pump drinking (potable) 
water.
WARNING!
Wear ANSI-approved safety goggles during 1. 
assembly.
Use for pumping water only. 2. 
WARNING:3.   This product contains or, when  
used, produces a chemical known to the State 
of California to cause cancer and birth defects 
or other reproductive harm. (California Health 
& Safety Code § 25249.5, et seq.)
(5). The large bolt hole on the Cover (5) should  
sit opposite the spout on the Cylinder (9). The  
two recessed Screw Bolts (4) should straddle  
each side of the spout on the Cylinder (9).  
Tighten the recessed Screw Bolts (4) with a 
small at screwdriver. With a crescent wrench, 
tighten the large Bolt (6) on the Cover (5) 
opposite the spout.
Attach the 7.  Handle (2) to the Piston Assembly  
(8) using a Bolt (3) and Nut (1).  Make sure 
the hole on the Handle (2) that attaches to the 
Cover (5) rests between the bolt housing on the  
Cover (5). If necessary, rotate the screw eyelet 
on the Piston Assembly (8) to nd the best  
t. Tighten the Nut (1). Next, run the Bolt (7) 
through the bolt housing on the Cover (5) and  
the Handle (2) and tighten the Nut (1).
Attach 1-1/4” NPT threaded water source 8. 
pipe to the threaded inlet on the bottom of the 
pump.
Secure the pump by screwing the base to a 9. 
stable surface.
ASSEMBLY
Place the 1.  Base (13) on  a flat,  sm ooth 
surface.
Set the 2.  Valve Assembly (12) in the circle 
groove of the Base (13). It will only t with the  
metal plate up.
Put the 3.  Cylinder (9) on the Valve Assembly  
(12). Line up the Cylinder (9) so that the bolt 
holders on each side of sit over the two drilled 
openings on the Base (13). The spout on the 
Cylinder (9) should rest over the at side of 
the Base (13).
Slip a 4.  Bolt (10) and a Washer (11) into the 
bolt holder on the Cylinder (9). Put a Nut (14)  
under the Base (13) and screw it onto the Bolt  
(10).  Hand tighten.  Repeat the procedure 
on the other side. Then, wrench tighten both 
Bolts (10).
Set the 5.  Piston Assembly (8) with the screw 
eyelet up, down into the Cylinder (9).
OPERATION
This pump needs to be primed before every 1. 
use. Keep a pitcher (not included) of water near 
the pump for this purpose. Pump the handle 
up and down while pouring about a quart of 
water into the top of the pump to prime it and 
start the water ow.
Note: DO NOT STOP PUMPING THE HANDLE 
UNTIL FINISHED! Stopping, even momentarily, 
will cause the pump to lose its prime and no 
longer work until primed again.
Rell the pitcher. Then, continue pumping as 2. 
needed.
Note: Do not pump drinking water from this 
pump.
Put the 6.  Cover (5) onto the Cylinder (9) so the  
screw eyelet on the Piston Assembly (8) ts  
through the opening in the center of the Cover 
REV 02d; 09b
SKU 01318  For technical questions, please call 1-800-444-3353.  Page 2
 

Part Description Qty
1 Nut M8 2 
2 Handle 1 
3 Bolt M8 x 30 1 
4 Bolt M6 x 10 2 
5 Cover 1 
6 Bolt M8 x 40 1 
7 Bolt M8 x 40 1 
8 Piston Assembly 1
9 Cylinder 1 
10 Bolt M10 x 40 2 
11 Washer M10 2 
12 Valve Assembly 1 
13 Base 1 
14 Nut M10 2
PARTS LIST AND DIAGRAM
1
2
3
4
5
6
7
10
11
12
13
14
8
9
SKU 01318  For technical questions, please call 1-800-444-3353.  Page 3
 

PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN 
THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR MAKES ANY 
REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY 
REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT.  
IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS 
REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS, AND NOT BY THE 
BUYER.  THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE 
ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION 
OF REPLACEMENT PARTS THERETO.
SKU 01318  For technical questions, please call 1-800-444-3353.  Page 4