SPX Power Team HT50A Operating Instructions
SPX Power Team HT50A Operating Instructions

SPX Power Team HT50A Operating Instructions

In-line hydraulic tester

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SPX Corporation
5885 11th Street
Rockford, IL 61109-3699 USA
Internet Address:
http://www.powerteam.com
The 50 GPM (200 L/Min.) in-line hydraulic flow tester is a compact, self contained, portable instrument for testing
hydraulic systems in the shop or field. Before using the tester, read and understand these instructions.
WARNING:
To help avoid personal injury,
Before operating the tester, all hose connections must be tighten with the proper tools. Do not
overtighten. Connections need only be tightened securely and leak-free. Overtightening may cause
premature thread failure or high pressure fittings to split at pressures lower than their rated capacities.
Should a hydraulic hose ever rupture, burst, or need to be disconnected, immediately shut off the tester
and shift the control valve twice to release all pressure.
pressure with your hands. The force of escaping hydraulic fluid could cause serious injury.
Do not subject the hose to any potential hazard such as fire, extreme heat or cold, sharp surfaces, heavy
impact. Do not allow the hose to kink, twist, curl, or bend so tightly that the oil flow within the hose is
blocked or reduced. Periodically inspect the hose for wear because any of these conditions can damage
the hose and result in personal injury.
Do not use the hose to move attached equipment. Stress may damage the hose and cause personal
injury.
Hose material and coupler seals must be compatible with the hydraulic fluid used. Hoses also must not
come in contact with corrosive materials such as creosote-impregnated objects and some paints.
Consult the manufacturer before painting a hose. Never paint the couplers. Hose deterioration due to
corrosive materials may result in personal injury.
IMPORTANT:
Clean the areas around the oil ports of the tester.
Inspect all threads and fittings for signs of wear or damage and replace as needed. Clean all hose ends.
couplers, or union ends.
Seal all pipe connections with a high-grade, nonhardening thread sealant, such as Power Team HTS6.
Teflon tape may also be used to seal hydraulic connections, provided only one layer of tape is used.
Apply the tape carefully, two threads back, to prevent it from being
pinched by the coupler and broken off inside the pipe end.
Any loose pieces of tape could travel through the system and
obstruct the flow of oil or cause jamming of precision-fit parts.
© SPX Corporation
Tech. Services: (800) 477-8326
Fax: (800) 765-8326
Order Entry: (800) 541-1418
Fax: (800) 288-7031
MODELS A, B, & C
IN-LINE HYDRAULIC TESTER

SAFETY PRECAUTIONS

®
Operating Instructions for:
Never attempt to grasp a leaking hose under
Form No. 102546
Note: Shaded areas
reflect last revision(s)
made to this form.
Sheet No.
1 of 3
Rev. 3
Date: 27 Aug. 1996
HT50A

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Summary of Contents for SPX Power Team HT50A

  • Page 1: Safety Precautions

    Sheet No. 1 of 3 Any loose pieces of tape could travel through the system and obstruct the flow of oil or cause jamming of precision-fit parts. Rev. 3 Date: 27 Aug. 1996 © SPX Corporation...
  • Page 2 Operating Instructions, Form No. 102546, Back sheet 1 of 3 PREPARATION AND SET-UP The in-line hydraulic tester is shipped with plastic plugs in the inlet and outlet ports. Two adapter unions for 3/4" NPT male fittings in the inlet and outlet ports are included.
  • Page 3: Operating Procedure

    Operating Instructions Form No. 102546 Overload Safety Relief Valve Disc The INLET and OUTLET sides of the hydraulic tester are protected from excessive pressure by a Safety Relief Disc Assembly (#16230). If tested pressure exceeds the hydraulic pressure listed below, the disc ruptures, relieving the oil pressure before damage may occur.
  • Page 4 Operating Instructions, Form No. 102546, Back sheet 2 of 3 A TYPICAL TESTING PROCEDURE: The following example will illustrate how this hydraulic tester is used to locate a hydraulic system malfunction. The hydraulic system illustrated below consists of a reservoir, a pump, a relief valve, a directional control valve and a double-acting cylinder.
  • Page 5 Operating Instructions Form No. 102546 DIAGRAM 3 -- TESTING DIRECTIONAL VALVE TESTING THE DIRECTIONAL VALVE . . . See Diagram 3. Disconnect line (F) between cylinder port (G) of directional valve and pressure end (H) of cylinder. Connect line (J) between cylinder port (G) of directional valve and hydraulic tester's inlet port.

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