2-66. SKID-MOUNTED PRETREATMENT ASSEMBLY REPAIR (CONT)
Remove screw, two nuts, and lanyard from eight dust caps on back of pretreatment assembly.
Remove eight dust caps.
Remove eight nipples from back of pretreatment assembly.
Remove three ball valves V-1, V-2, and V-3 (subpara c).
Remove six pipe nipples on inlet and outlet sides of ball valves V-1, V-2, and V-3.
Remove butterfly valve (subpara f).
Remove three T-pipes, two nipples, and grooved pipe coupling nipple from outlet side of ball
Remove reducer bushing and nipple.
Remove four spacers, nuts, and lockwashers.
Remove two U-bolts.