HEU OR EARLY MODEL TONGUE CYLINDER REPLACEMENT (Sheet 1 of 6)
10-in. Adjustable wrench
1-1/8 in. open end wrench
1-1/4 in. Open end wrench
Cylinder rod wrench
7/16 in. socket with 1/2 in. drive
Snap ring pliers (outside)
Lifting device (2000 lb capacity)
Drip pans (suitable containers)
Protective caps and plugs (assorted sizes)
PRELIMINARY PROCEDURES: For HEU models, remove tongue cylinder counterbalance valve, hoses, and fittings
Cap or plug all lines and fittings as they are disconnected. Use drip pans to catch
excess hydraulic fluid. Use masking tape to tag lines for installation.
Using socket, remove two grease fittings (A).
If necessary, use spreader when attaching
sling and lifting device to tongue cylinder (B).
Position sling around tongue cylinder (B) and
attach lifting device (use spreader if necessary).
Make sure sling is routed under hydraulic lines
and tongue cylinder (B) so that it cannot come
loose or dip. Personnel could be injured if
hydraulic lines or tongue cylinder (B) come
loose during removal.
Raise lifting device until sling is tight enough to
support tongue cylinder (B), then raise slightly
to take load off forward end of tongue cylinder
Go on to Sheet 2