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201A-A00     Page 3/12 

INSTALLATION

 

 

NOTICE: 

Blackmer truck pumps must only be installed in systems 
designed by qualified engineering personnel.  System 
design must conform with all applicable regulations and 
codes and provide warning of all system hazards. 

 
 

PRE-INSTALLATION CLEANING 

NOTICE: 

New pumps contain residual test fluid and rust inhibitor.  
If necessary, flush pump prior to use. 

Foreign matter entering the pump WILL cause extensive 
damage.  The supply tank and piping MUST be cleaned and 
flushed prior to pump installation and operation. 
 
 

LOCATION AND PIPING 

An improperly designed piping system or unit installation 
WILL significantly reduce pump performance and life. The 
following are piping system guidelines for pump installation. 
1.  To minimize intake losses, locate the pump as close as 

possible to the source of supply. 

2.  Piping MUST be properly supported to prevent any piping 

loads from being placed on the pump. 

3.  Intake piping and fittings MUST be at least as large in 

diameter as the pump intake connection. 

4.  Minimize the number of intake line fittings (valves, elbows, 

etc.) and piping turns or bends. 

5.  Install vacuum and pressure gauges in the ¼" NPT ports 

located on the pump cylinder near the intake and 
discharge flanges to check pump at start-up 

6.  Install a strainer in the inlet line to protect the pump from 

foreign matter.  Place the intake strainer to allow frequent 
cleaning. 

7.  Intake and discharge piping MUST be free of all leaks. 
 
 

TRUCK MOUNTING 

The pump will operate satisfactorily in any position. Consult 
Blackmer factory for vertical shaft mounts. The pump can be 
bolted to the truck frame or on a saddle hung below the 
frame, and MUST be adequately supported. 
 
 

PUMP DRIVE 

The pump may be driven by a power take-off through 
universal joints. When using universal joints, a splined slip 
joint, properly lubricated, must be used on the connecting 
jackshaft to prevent end thrust on the pump shaft.  
It is very important to install a proper drive line to avoid 
excessive wear, vibration and noise.  See Fig. 1 and Table 1. 
 

 

Do not operate 
without guard  
in place. 

A drive shaft guard between the PTO 
and pump must be provided to prevent 
personal injury, property damage, or 
death. 

 

 

Note: A Drive Shaft Guard between the pump and the 

PTO MUST be provided. (Not Shown) 

Figure 1    Pump Drive 

 

Angle of Drive Shaft 

1º through 5º 

6º through 10º 

11º through 15º 

Very Good 

Good 

Fair 

Table 1 

General guidelines to follow for proper pump drive: 
1.  DO NOT use Square slip joints. 
2.  Use the least number of jackshafts as is practical. 
3.  Use an even number of universal joints. 
4.  The pump shaft and power take-off shaft must be parallel 

in all respects.  Use an angular level measuring device to 
ensure the PTO and pump shafts are parallel to each 
other. If necessary, the pump can be shimmed to correct 
any misalignment. The PTO shaft coming off at the 
transmission does not need to be perfectly horizontal as 
long as the pump is shimmed to have its shaft parallel in 
all respects to the PTO shaft. 

5.  The yokes of the universals at both ends of the jackshaft 

must be parallel and in phase. 

6.  The maximum angle between the jackshaft and the pump 

shaft is 15 degrees.  Refer to Table 1. 

Failure to follow any of these guidelines may result in a gallop 
or uneven turning of the pump rotor, which will in turn cause a 
surging vibration to the liquid stream and piping system. 
Contact the supplier of the drive line components for specific 
design assistance.  
 

HYDRAULIC DRIVE 

The ATX300A-HYD models are driven hydraulically.  
Hydraulic motors should be well supported with their shafts 
parallel to the pump shaft in all respects.  ATX-HYD models 
are equipped with a close-coupled hydraulic motor adapter 
that provides for straight alignment of a hydraulic motor drive 
through a solid coupling connected to a splined pump shaft.  
This coupling connection requires grease lubrication every 
three months at 

minimum.

  Refer to the "Lubrication" section 

of this manual. 

 

PUMP ROTATION 

NOTICE: 

Confirm correct pump rotation by checking the pump 
rotation arrows respective to pump driver rotation. 

 

TO CHANGE PUMP ROTATION 

To reverse rotation, the pump must be disassembled then 
reassembled with the shaft on the opposite side of the pump.  
See the ‘Maintenance’ section for instructions. 

 

Summary of Contents for ATX300A

Page 1: ...symbol on the product or in the manual look for one of the following signal words and be alert to the potential for personal injury death or major property damage Warns of hazards that WILL cause seri...

Page 2: ...amage Do not operate without guard in place Operation without guards in place can cause serious personal injury major property damage or death PUMP DATA PUMP IDENTIFICATION A pump Identification tag c...

Page 3: ...1 and Table 1 Do not operate without guard in place A drive shaft guard between the PTO and pump must be provided to prevent personal injury property damage or death Note A Drive Shaft Guard between t...

Page 4: ...setting of the relief valve by momentarily closing a valve in the discharge line and reading the pressure gauge This pressure needs to be 15 20 psi 1 0 1 4 Bar higher than the maximum system operating...

Page 5: ...ocknut and turn the adjusting screw outward or counterclockwise Replace the valve cap Refer to the individual Blackmer pump parts lists for various spring pressure ranges Unless specified otherwise pu...

Page 6: ...end upon the application and conditions LUBRICATION NOTICE To avoid possible entanglement in moving parts do not lubricate pump bearings hydraulic adapter coupling or any other parts while the pump is...

Page 7: ...as required Wash out the bearing seal recess of the head and remove any burrs or nicks from the rotor and shaft 1 Determine the mounting position of the pump when affixed to the mounting bracket 32 a...

Page 8: ...s felt when turning the shaft by hand e Back off the nut the width of one lockwasher tang B Secure the nut by bending the closest aligned lockwasher tang into the slot in the locknut The pump should t...

Page 9: ...rsized piping too many elbows fittings clogged strainer etc 5 Damaged or worn parts 6 Excessive restriction in discharge line causing partial flow through the relief valve 7 Relief Valve worn set too...

Page 10: ...d incorrectly see Vane Replacement Broken Shaft 1 Foreign objects entering the pump 2 Viscosity too high for the pump speed 3 Relief valve not opening 4 Hydraulic hammer pressure spikes 5 Pump driver...

Page 11: ...201A A00 Page 11 12 NOTES...

Page 12: ...r com for complete information on all Blackmer products 1809 Century Avenue Grand Rapids Michigan 49503 1530 U S A Telephone 616 241 1611 Fax 616 241 3752 E mail blackmer blackmer com Internet Address...

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