Reinsert the parts, Oring (key 49) and bearing
cartridge assembly (key 4), ensuring the bearings
extend below the side plate of the bearing cartridge
assembly (key 4) and contact the piston
subassembly (key 3). With the plunger (key 10)
removed, screw the bonnet (key 8) onto the yoke
(key 2). There should be no binding or galling.
Tighten the bonnet with a wrench until there is
metaltometal contact.