Gasboy Atlas Start-up - Manual (Page 129)

MDE-4334D Atlas™ Start-up and Service Manual · July 2013 Page 6-9
Purging Air from System Hydraulic/Mechanical Components
Self-contained Pumping Units
Recommended Torque
Unit in-lbs Nm
Pump head (tightened in star pattern) 200 23
Strainer cover 150 17
Rear cover 200 23
Meter Bolts
Recommended Torque
Bolt (In Order) in-lbs Kg-meters
1 Cylinder cover gasket 130 ± 10 1.50 ± 0.12
2 Piston and connecting bar 35 ± 5 0.40 ± 0.06
3 Shaft seal cap 25 ± 5 0.30 ± 0.06
4 Lower bearing housing 75 ± 10 0.90 ± 0.12
5 Packing retainer 20 ± 5 0.25 ± 0.06
6 Body cover 130 ± 10 1.50 ± 0.12
Purging Air from System
• Wear eye protection. Residual pressure and entrapped fuel may still be present
and may drain or spray while removing the parts.
• Fire and explosion could result in severe injury or death.

• Test and close the involved shear valves. Shut off power to the unit.

• Remove the parts slowly. Collect fuel in approved containers.

• Clean up all spills promptly.
WARNING
About Purging System
Purge air from the hydraulic system properly. Failure to properly purge air from the system
can damage components and result in inaccurate calibration and fuel delivery. Purge air from
the system for new installations or when fluid containing parts of the hydraulic system are
serviced.