Great Plains 20 Series DrillS Assembly Instructions - Manual (Page 2)

2 12, 15 and 20 Series Drills Folding Markers 113-477M 4/9/04
Great Plains Mfg., Inc.
Assembly
Assembling Transport Arm
For 20-foot drills, assemble transport arm as follows. Refer to
Figure 2.
1. Assemble transport-arm mount (1) onto 6-by-6-inch drill
frame tube about 36 inches (91.44 cm) in from drill edge (2).
Use 3/8-inch u-bolts (3), flat washers, lock washers and hex
nuts (4).
2. Assemble marker-saddle arm (5) onto transport-arm mount
at a height (6) of 32 1/2 inches (82.55 cm). Secure with 1/2-
inch u-bolts (7), lock washers and hex nuts (8).
3. Mount marker saddle (9) onto marker-saddle arm with 1/2-
inch u-bolts (10), lock washers and hex nuts (11). Adjust
marker saddle as needed to ensure marker break-away arm
rides in middle of marker saddle.
17633
Figure 2
Transport Carrier Assembly, 20 Series Drills
4. Repeat steps for other transport arm.
Installing Marker Hydraulics
Without Sequence Valve
Refer to Figure 3.
1. Install elbow fittings (1) in cylinder ports.
2. At rod end of each cylinder, install an adaptor (2) into elbow
fitting. Install a needle valve (3) in adaptor.
Figure 3
17642
Assemble Needle Valve
3. Connect hydraulic hoses to fittings and route hydraulic hos-
es to tractor outlets. Route hydraulic hoses through trans-
port-carrier mount at cutout. Use black cable ties to secure
hydraulic hoses to drill frame.
4. Using orange cable ties, secure a plastic hose holder to
each pair of hydraulic hoses near tractor outlets. See Figure
4.
5. Proceed with "Bleeding Marker Hydraulics," page 3.
With Sequence Valve
Refer to Figure 5.
1. Mount sequence valve on drill using mounting plate (1). Bolt
plate to inside end of left-hand-box panel (2) using one 1/2-
inch hex bolt (3).
2. Bolt valve (4) to mounting plate with two 3/8-by-3/4-inch hex
bolts (5) and lock washers (6).
3. Install elbow fittings in cylinder ports.
4. Use hoses provided to connect valve ports to cylinders. Re-
fer to Figure 5 for port connections.
5. Connect your own hydraulic hoses to ports on front of valve.
Route hoses to tractor outlets.
6. Using orange cable tie, secure plastic hose label to hydrau-
lic hoses near tractor outlets. See Figure 4.
17641
Figure 4
Install Hose Label
7. Proceed with "Bleeding Marker Hydraulics," page 3.