Great Plains 7552 Series VII Operator Manual - Manual (Page 24)

Section 1: Assembly
Table of Contents ► Great Plains Mfg., Inc.
Series VII 6326-7552 Discovator 550-221M 3/31/2004
20
Center Truss, Hitch and Strut Assembly
Bolt the center frame truss (1) Figure 7,
to the top side of the center frame and brace
bar. Use 3/4 x 2 bolts (3) on the front plates
and 5/8 x 1½ bolts (2) on the rear two plates.
Use lock washers and hex nuts on all of these
bolts. On models 6536, 6542, 7333, 7336, 7548
& 7552, bolt the truss cross bar (4) with the
truss legs (5) through the truss frame (1) with
the ¾ x 6 bolt (6), lock washers and hex nuts.
Use two ¾ x 2 hex bolts (7) with lock washers
and hex nuts, at the base of the truss legs.
Slide the back of the hitch (8) between
the plates at the front of the brace bar as shown.
Use two 1¼ x 7 GR 8 bolts (9) and 1¼ lock
washers and hex nuts to secure the hitch.
Mount the tongue jack (10) to the front of the
hitch to support it.
Use 1 x 5½ bolts (12) to attach the hitch
strut (11) between the front of the truss and the
hitch. Use lock washers and hex nuts on these
bolts.
Slide the hose support (13) rod into the
tube at the front of the hitch and secure it with a
1/8 x 1½ cotter pin. Attach the rebound valve
mounting bracket (14) and valve mounting
bracket plate (15) with four ½ x 4½ bolts (16)
using lock washers and hex nuts.
Figure 7
8/11/2008