Lit. No. 43894, Rev. 02 101 November 1, 2016
MAINTENANCE
Installing Hydraulic Fittings and Hoses
NOTE: Over-torquing JIC hose tting ends will
result in a fractured tting.
DO NOT use any type of sealant or tape on the
ttings or hoses. This could damage product.
Always use two wrenches to ensure proper
tightening of ttings and hoses.
Installing SAE O-Ring Fittings in Valve Block
and Rams
1. Turn the jam nut on the tting as far back as
possible.
2. Lubricate the O-ring with clean hydraulic uid.
3. Screw the tting into the port by hand until the
washer contacts the port face and shoulder of
the jam nut threads.
4. Unscrew the tting to the proper position no
more than one full turn.
5. Using two wrenches, hold the tting body
in position and tighten the jam nut until the
washer again contacts the port face, then
tighten an additional 1/8 to 1/4 turn to lock the
tting in place. Final torque on the jam nut
should be approximately 20 ft‑lb.
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