3.3 TROUBLE SHOOTING GUIDE:
3.4 PXD SERIES ACCESSORIES:
Figure 14 - PXD Series Low Profile Hydraulic Torque Wrench
Refer Figure 14
Trouble Probable Cause Solution
Piston does Couplers are not attached tightly to the Check the Coupler connections and make sure that they are
not function wrench or pump. connected tightly.
Coupler is defective . Replace any defective Coupler.
Defective remote control switch. Replace the switch and/or check electrical connection.
Dirt in the direction-control valve of the Disassemble the pump and clean the direction-control valve.
pump unit.
Piston not Hose connections reversed on wrench or Assure that the Inward on the pump is connected to the tool and
working in pump. reverse on the pump is connected to the reverse on the tool.
reverse stroke
Reverse hose not connected. Connect the reverse hose to the tool.
Retract pin broken. Replace the broken pin /or spring.
Low oil pressure Piston Seal and/or End Plug Seal leaking. Replace any defective, damage O-rings.
in Cylinder Retaining Screws Sheared. Replace any broken screws.
Coupler is defective. Replace any defective, damage Coupler.
Ratchet fails to Jamming due to very low clearance Ratchet the parts to get increased clearance maximum
rotate between ID of Drive Plate and OD of Ratchet. up to 0.5 mm.
Worn or broken teeth on Ratchet / or Replace any worn or damaged parts.
Segment Pawl.
Tool tightens Hose connections are reversed. Depress the advance button to release the tool; shut the pump off in
immediately the advance position and reverse the hose connection.
when turned on
Defective relief valve. Inspect, adjust or replace the relief valve.
Pressure not
increasing in Air supply too low or air hose Make certain the air supply and hose size comply with the pump
Power pack too small. manual recommendations.
Electric power source Make necessary power supply arrangement as per the pump manual
is too low. requirements.
Low oil level. Check and fill the pump reservoir.
Clogged filter. Inspect, clean and/or replace the pump filter.
Pressure Defective Gauge or gauge out of Replace or calibrate the gauge.
reading error calibration.
Nut Returns Ball Plungers are not engaging the Drive Thread the Ball Plungers to the correct depth
with return Sleeves. in the Housing.
stroke
HEX REDUCER
INSERTER
STACK SOCKET
SQUARE DRIVE
ADAPTER
LOW POINT REACTION ARM
LINK
CYLINDER
EXTENDED REACTION ARM
21
PXD Series Operation Manual
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