Great Plains 2020 Vintage Drills User Manual
Page 2
03-01-92
1-2
INTRODUCTION
Your 2020 Solid Stand Flat Fold Marker is designed to give you many years of dependable service. This manual has
been prepared to instruct you on how to service and keep your marker operating in good condition. Read and follow
ALL instructions and safety precautions carefully.
The parts on your 2020 Solid Stand Flat Fold Marker have been specially designed. Should your Flat Fold Marker
ever require replacement parts, go to your Great Plains Dealer.
Thank you for buying an Great Plains Flat Fold Marker.
TABLE OF CONTENTS
Introduction ..................................................... 2
Table Of Contents ........................................... 2
Nut & Bolt Torquing Chart ............................... 2
Safety Rules & Features
Bleeding the Hydraulics................................... 4
Cycling the Markers......................................... 4
Flat Fold Marker Assembly Instructions........... 5
Flat Fold Marker Parts Illustration.................... 7
Single Marker Hydraulic Assembly
Dual Marker Hydraulic Assembly................... 11
Service .......................................................... 14
Rod Cylinder {810-118C}............................... 15
Warranty ....................................................... 18
NUT & BOLT TORQUING CHART
This chart is based on torque requirements in foot pounds for grade 5 bolts.
BOLT DIAMETER MINIMUM TORQUE MAXIMUM TORQUE BOLT DIAMETER MINIMUM TORQUE MAXIMUM TORQUE
1/4”
9
11
3/4"
270
324
5/16"
17
20
7/8"
400
480
3/8"
35
42
1"
580
696
7/16"
54
64
1 1/8"
800
880
1/2"
80
96
1 1/4"
1120
1240
9/16"
110
132
1 3/8"
1460
1680
5/8"
150
180
1 1/2"
1940
2200
NOTE: Torque requirements listed above do not apply to self-locking nuts. For self-locking nuts increase torque
requirements listed above by 15%.
113-379M
Effective 03-01-92