Remove back-up rings (2 and 3), two back-
up rings (4), and preformed packings (5, 6,
and 7) from each counterbalance valve (1).
Discard preformed packings.
Disassemble frame tilt cylinder parts (8
Do not scratch or damage the wear
surface of rod, piston, or gland. Follow
this precaution to prevent failure of the
frame tilt cylinder.
Use a suitable tool to pull rod (8) out
approximately 5 in. (127 mm) for
removal of gland (9).
Place a container under gland (9) to catch
oil contained in the frame tilt cylinder.
Use a spanner wrench to remove gland (9) from cylinder tube (10). Pull gland out of cylinder far enough to
unseat preformed packing (11). Allow oil to drain into container.
Use care when removing rod and piston assembly to prevent wear ring damage. Keep rod in line with
cylinder tube to prevent binding.
Remove rod (8) and piston assembly from cylinder tube (10).
Place rod (8) and piston assembly on suitable supports to prevent damage.
Remove two wear rings (12).
Do not nick or scratch seal groove during removal of seal. Failure to follow this precaution will cause
Cut and remove seal (13). Discard seal.