Grouser Products 770HD Steiger T4B Wheeled User manual

Date 8/7/2017PN: 63-40447
770HD Steiger T4B Wheeled
Owner’s Manual
&
Parts Book
Purchase Date
Serial Number
Model Number
Tractor Model
Dealer
For Models:
Case Steiger Wheeled - 500, 540, 580, 620

2
Description Page
To The Owner, Angle / Tilt Function Abbreviation Key & Torque Specications 2
Maintenance, Safety Precautions & Unpacking Components 3
Undercarriage Installation Instructions 4-5
Assembling Lift Components & Initial System Startup 6
Lift System 7
Hose Routing 8
Wire Harness 9
Tractor Side Hydraulic Hose Routing 10-11
Hydraulic Connections 12-13
Wire Harness Schematic 14
Hydraulic Schematic 15
Contact Us, Improvements, & Warranty 16
Contents
To The Owner
This manual contains information concerning the operation, adjustment, and maintenance of the 770 blade
assembly. You have purchased dependable, long lasting equipment, but only by proper care and operation
can you expect to receive the performance and long service built into our products. Please have all operators
read this manual carefully and keep the manual available for ready reference. If you have any questions or
concerns, contact Grouser Products.
HAHT Hydraulic Angle - Hydraulic Tilt 6-Way
HANT Hydraulic Angle - No Tilt 4-Way
NAHT No Angle - Hydraulic Tilt 4-Way
NANT No Angle - No Tilt 2-Way
Angle / Tilt Function Abbreviation Key
Torque Specications
All bolts should be tightened to the specications that are stated. If specications are not stated, follow torque
charts below. Torque - Dry (ft–lbs)
SAE Grade 5 SAE Grade 8
Size UNC UNF UNC UNF
5/16 17 19 24 27
3/8 30 35 45 50
7/16 50 55 70 80
1/2 75 85 110 120
9/16 110 120 150 170
5/8 150 170 210 240
3/4 260 300 380 420
7/8 430 470 600 670
1 640 720 910 1020
Torque - Dry (ft-lbs)
Size Grade 10.9
M18 x 2.50 284
M20 x 2.50 401
M22 x 2.50 547
M24 x 3.00 694

3
Unpacking Components
Unstrap and remove the lift frame, hoses, top arms, and any boxes of hardware from the undercarriage. If any
components are missing, call Grouser.
Safety Precautions
A careful operator is the best operator. Most accidents can be avoided by observing certain precautions. To
help prevent accidents, read and take the following precautions before operating this equipment. In addition
to these precautions, please follow all safety and operational instructions of your tractor manufacturer.
The Dozer:
1. The 770 Dozer should be operated only by those who are responsible and instructed to do so.
2. Read the owner’s manual carefully before using this equipment. Lack of operating knowledge can lead to
accidents.
3. Keep the dozer maintained in reliable and satisfactory condition to ensure your safety.
4. Make sure the area is clear of people before moving any equipment.
5. Do not modify or permit anyone else to modify or alter the equipment and its components without rst
consulting Grouser Products.
Servicing the Dozer:
1. Read and follow all safety instructions provided by the tractor manufacturer.
2. Always use proper personal safety gear when performing maintenance on equipment.
3. Before servicing, relieve hydraulic pressure, stop engine and fully engage parking brake.
4. Escaping hydraulic uid under pressure can penetrate skin causing serious injury. If uid is injected into
skin, obtain medical attention immediately.
– DO NOT use your hand to check for leaks. Use a piece of cardboard or paper to search for leaks.
– Stop the engine and relieve pressure before connecting or disconnecting lines.
– Tighten all connections before starting the engine or pressurizing lines.
Storing the Dozer:
1. Thoroughly clean the dozer before storage. Use paint where necessary to prevent rust.
2. Check the dozer for worn or damaged parts. Install new parts as required.
3. Lubricate all pins and joints.
Maintenance
Due to the harsh environment many of our equipment operates in, the following tasks
should be performed every 10 hours or less.
• Inspect all equipment before operation for existing or potential damages.
• Lubricate all joints with high quality grease.
• Inspect and tighten all bolts to torque specications on page 2.
• Check replaceable cutting edge for wear ensuring there is enough material to prevent permanent damage
to the blade.
• Make sure all non-rotating pins are secured properly.
• Check hydraulic cylinders and hoses for damage or leaks. For replacement parts, see hydraulic pages for
your specic system.
• Inspect all tilt-ways for aggressive wear. See page 9 for tilt plate adjustment.

4
Undercarriage Installation Instructions
Caution:
•
Always use precaution when working around any equipment.
•
Always wear safety glasses.
•
Follow tractor manufacturer’s safety guidelines when installing this product.
Read all instructions prior to installation.
Remove existing toolboxes, front weights, and tow cable holder if equipped. Tow cable can be reinstalled later if a bracket is
purchased from Grouser Products.
If the bulkhead bracket (PN: 18-14370) is not factory installed, attach to the undercarriage with 2 - 1/2” x 1-1/4” bolts
(PN: 16-20125) and 1/2” at washers (PN: 57-20744). See pages 7 and 12-14 for bulkhead ttings, steel lines, and hose locations.
If bulkhead covers (PN: 44-14375 & 44-14376) are not factory installed, verify that all hydraulics are installed correctly and then
attach the covers to the U/C with 6 - 1/2” x 1-1/4” bolts (PN: 16-20125) and 1/2” at washers (PN: 57-20744).
NOTE: If rear 1” bolts are installed on the undercarriage, back out so the undercarriage will t on the rear plate on the
tractor frame.
Drill out holes in the tractor frame that line up with the front holes on the undercarriage to 1”.
Position the undercarriage (U/C) under tractor and center on the frame of the tractor.
Lift the rear of the U/C up and set the top plates of the U/C on the cross member. Push the U/C back until the vertical push plates
are rmly against the cross member. Lift the U/C to within 3/4” of touching the tractor frame.
Insert 8 - 1” x 3-1/2” bolts (PN: 16-20564) with a 1” hardened at washer (PN: 57-20759) on each bolt through the front holes of
the tractor frame that line up with the front vertical holes of the U/C.
After all bolts are through the tractor frame and U/C, attach with a 1” heavy washer (PN: 57-3682) and a 1” nut (PN: 70-20599).
Verify that the rear of the U/C is rmly against the cross member.
At the rear of the undercarriage and pivot area of the tractor, hook the rear hose routing bracket to the tractor frame and bolt to the
rear of the undercarriage with 1” x 3” bolts (PN: 16-20562), 1” hardened at washers (PN: 57-20759) and 1” nuts (PN: 70-20599).
The nut will t between the plates on the brackets. See attached diagram for clarication.
Center the bracket on the undercarriage and tractor as close as you can. Torque the 1” bolts to 600 ft.
lbs. There can be a gap
between the bracket and the undercarriage.
Tighten the rear vertical bolts up tight against the bottom of the tractor frame. Torque the rear vertical 1” bolts to 500-600 ft.lbs.
Torque front 1” vertical bolts to 903 ft-lbs..
Attach the upper support arms (PN: 11-17740-R,L) to the U/C with 2 - 1” x 3-1/2” bolts (PN: 16-20564), 4 - 1” heavy duty at washer
(PN: 57-20819), and 2 - 1” nuts (PN: 70-20599) on each side of the U/C.
Attach the upper support arms to the tractor with a 1-1/4” x 3-1/2” bolt (PN: 16-20896) and a 1-1/4” at washer (PN: 57-11671) on
each side.
Remove the 2 - 24mm bolts and spacers from front axle on the left and right side of the tractor. Discard the spacers.
Attach the quad yoke brackets (PN: 18-14550-R,L) to each side of the U/C with 6 - 1” x 2” bolts (PN: 16-20558) and a 1” x .375”
thick washer (PN: 57-3682) on each bolt.
Dip the previously removed 24mm bolts in W30 oil and install the yoke brackets with the 24mm bolt and a heavy at washer
(PN: 57-20819) on each bolt.
Once all bolts have been installed, torque the 1-1/4” bolts to 1,105 ft.lbs., the 1” bolts to 903 ft.lbs, and the 24mm bolts to 555 ft.lbs
.
Bolt the side bolt cover (PN: 44-15575) to both sides of the undercarriage with 1/2” x 1-1/4” bolts (PN: 16-20125) and a 1/2” at
washer(PN: 57-20744) on each bolt.
Attach the bottom covers (PN: 44-14382-R,L) to the undercarriage with 1/2” x 1-1/4” bolts (PN: 16-20125) and 1/2” at washers
(PN: 57-20744).
After rst 8 hours of use, re-torque all bolts. Check all fasteners regularly to ensure proper operation of equipment.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
PN: 63-19297-A

5
TITLE:
770 Steiger Wheeled UC Assy.
26
6
21
5
10
A
15 3,20
7,23,23,26
8,19,19,27
3,20
14
5,24
6,24,24,26
DETAIL A
SCALE 1 : 17
11
16
17
1
3,20
7,21,24,26
2
18
13
12
9
7,21,24,26
3,19
3,20
4,22,25
Item
No. Qty. Part No. Description
1 1 11-14548-L Upper Undercarriage Support Arm Left - Wheeled
2 1 11-14548-R Upper Undercarriage Support Arm Right -Wheeled
3 20 16-20125 1/2" x 1-1/4" Hex Bolt Gr 5 NC
4 4 16-20542 7/8" x 3" Hex Bolt Gr 8 NC ZC
5 6 16-20558 1" x 2" Hex Bolt Gr 8 NC
6 4 16-20562 1" x 3" Hex Bolt Gr 8 NC
7 12 16-20564 1" x 3-1/2" Hex Bolt Gr 8 NC
8 2 16-20896 1-1/4" x 3-1/2” Hex Bolt Gr 5 NC Zinc
9 1 18-14370 Bracket, Bulkhead - AG Wide Frame
10 1 18-17280 Hose Routing Bracket
11 1 18-19295 770 HD - Grill Guard
12 1 44-14375 Plate, Top Bulkhead Cover - AG Wide Frame
13 1 44-14376 Plate, Bottom Bulkhead Cover - AG Wide Frame
14 1 44-14382-L Plate, Bottom Cover Left - AG Wide Frame
15 1 44-14382-R Plate, Bottom Cover Right - AG Wide Frame
16 2 44-14383 Wheeled Side Plate
17 2 44-15575 Plate, 770 Undercarriage Side Bolt Cover
18 1 54-19297 770HD Steiger / T9 Large Frame Quad and Wheeled UC
19 4 57-11671 1-1/4" Flat Washer
20 20 57-20744 1/2" Flat Washer
21 10 57-20759 1" SAE Hardened Flat Washer - 2" OD
22 4 57-20818 7/8" Flat Washer Heavy Duty Gr 8 (USS)
23 8 57-20819 1" Flat Washer Heavy Duty Gr 8 (USS)
24 16 57-3682 2.50 OD X 1.00" ID x .375" Washer CZ Plated
25 4 70-20598 7/8” Hex Nut Gr 8 NC
26 16 70-20599 1” Hex Nut Gr 8 NC
27 16 70-20981 1-1/4" Hex Nut Gr 5 NC

6
Assembling Lift Components
Now that the undercarriage is installed, some assembly of components is necessary. Follow the steps listed
below. Refer to Page 7 for the correct hardware and orientation of parts.
Remove all pins on each side of the undercarriage.
Position the lift frame between the two plates on both sides of the undercarriage.
Align the lift frame to the bottom holes of the undercarriage and attach with the proper pins and hardware.
Lift the end of the cylinders up and attach to the undercarriage with the proper pins and hardware.
Attach the top arms to the top of the undercarriage with the proper pins and hardware.
Stand the blade up. Use extreme caution when moving blade and when blade is in the upright position.
Drive the tractor forward till the lift frame ts between the male quick attaches on the back of the blade
and tilt frame.
Attach the male quick on the back of the blade and tilt frame to the lift frame and top arms with the proper
pins and hardware.
If the quick couplers and coupler mount are not already attached to the left top arm, attach the coupler
mount to the left top arm with 4 - 3/8” ange nuts. See Page 10 for proper orientation.
Take the lift hoses that are already attached to the furthest forward ttings on the left and right side of the
undercarriage and attach them to the lift cylinders.
Note: For Step #11-16, refer to Page 8-13 for further information on hose routing and hose
positions. The amount and location of the female couplers is determined by functions the blade
is set up for.
Run the remaining hoses thru the hose loop on the top arm and attach a 90° tting to all the hoses.
Install a female quick coupler onto each 90° tting from the previous step.
Install each coupler into the designated hole on the coupler mount and hold them in place with the
coupler retainer plate, 3/8” x 3/4” bolts and 3/8” ange nuts.
Take the 293” hoses and attach each one to their designated tting at the center of the undercarriage.
Route the hoses thru the hose loops on the undercarriage.
Continue to route the hoses thru the tractor. Keep away from all moving parts. Refer to Page 8 for hose
routing.
Plug the male couplers into the female couplers on the top arm. Refer to Page 12 for proper coupler
locations for all functions.
Initial System Startup
Start the tractor and run the blade thru all the functions. If any function does not work properly, bleeding of the
system may be required. If problem still persists, call Grouser Products.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.

7
NOTE: When ordering cylinder seal kits, the part number on the
cylinder is needed. The number is stamped on the base end of
the cylinder opposite of the hydraulic ports.
No. On
Cylinder Part No. Description
26-34750 49-12275 Seal Kit 5 x 20 Nitrided Rod
Item
No. Qty. Part No. Description
1 1 11-16330-L HD Manual Pitch Top Arm, Female - Left
2 1 11-16330-R HD Manual Pitch Top Arm, Female - Right
3 2 11-16335-L HD Manual Pitch Top Arm, Male - Left
4 2 11-16335-R HD Manual Pitch Top Arm, Male - Right
5 2 16-20002 1/4” x 3/4“ Hex Bolt Gr 5 NC
6 4 16-20216 3/4” x 1-1/2” Hex Bolt Gr 5 NC
7 6 16-20220 3/4” x 2-1/2” Hex Bolt Gr 5 NC
8 2 16-20227 3/4” x 4-1/2” Hex Bolt Gr 5 NC
9 12 16-20566 1” x 4” Hex Bolt Gr 8 NC
10 8 19-13515 3/4” ID - Non Rotating Pin Spacer Bushing
11 4 19-13525 2.75 x 2.50 x 4.75 Spring Bushing
12 2 26-34750 5 x 20 Cylinder Bushed Tube Ends
13 2 31-11699-10-10 JIC Union (2403-10-10)
14 2 31-34042 Straight JIC x O-Ring (6400-10-10)
15 2 31-34203 Straight Long JIC x O-Ring (6400L-10-10)
16 1 32-17000 770HD Lift Frame
17 2 34-12932 Cylinder Saddle (ZR518)
18 2 34-12933 Hose Clamp
19 1 34-14961 Manual Canister
20 2 35-12931 Formed Steel Line (Lift Cylinder)
22 4 35-12632-0630 63” x 5/8” -10JIC/-10JIC Abrasion Resistant Hose
22* 1 43-12929-L Pin Weld - Long Ear (Lift Cyl. / Lift Frame) - Left
23 1 43-12929-R Pin Weld - Long Ear (Lift Cyl. / Lift Frame) - Right
24 2 43-13478 Pin Weld (Top Arm / QA)
25 4 43-13482 Pin Weld (Top Arm / UC & Lift Cyl. / UC)
26 2 43-14720 Pin (Lift Frame / QA)
27 2 43-14725 Pin Weld (Lift Frame / UC)
28 2 45-12175 700 Series Male Quick Attach
29 10 57-20747 3/4” Flat Washer
30 4 58-9369 Grease Zerk 1/8” NPT Straight
31 4 58-9372 Grease Zerk 1/8” NPT 90º
32 2 70-20610 1/4” Nyloc Hex Nut Gr 5 NC
33 12 70-20599 1” Hex Nut Gr 8 NC
34 8 70-20607 3/4” Hex Center Lock Nut Gr 2 NC
Lift System
* Parts Not Shown
2
33
3
18
13
29
16
6
8
10
10
10
20
19
12
32
23
24
25
27
28
29
29
34
29
31
15
7
9
34
1
30
5
11
30
7
17
6
26
14
21
4
34

8
7
1A or 1B
6
3
2
Leave some slack in the
hoses for the hoses to move
when the tractor turns and
oscillates. When the tractor is
fully turned and oscillated, the
hoses will move about 1".
Hoses Need to be routed between the rods
on the bracket and the inside plates of the bracket plates.
Only Lift Hoses Are Shown.
If necessary, use Items # 4 & 5
to get plates tights.
Make sure plates are tight against
hoses so hoses won't move.
Attach the rear hose routing plate (PN: 44-17208) to the tractor frame behind the pivot point and before the drawbar. There will be 2 bolts
sticking down. Attach with a 20mm nut (PN: 70-20872-10) on each side. Make sure the lip of the plate is facing towards the front of the
tractor. See picture below for clarication.
Check all fasteners regularly to ensure proper operation of equipment.
For the following steps, refer to the hose routing diagram for further clarication.
Attach the 293” hoses to the front of the undercarriage where all the steel lines come to the center of the undercarriage.
Route all the hoses from the front of the undercarriage, thru the hose loops on the undercarriage and thru the large loop at the rear of the
undercarriage. Send hoses thru the bracket at the pivot point but stay on the outside of the rods that are by the center large nut on the tractor.
The hoses should be between the rods on the bracket and the inside plates of the bracket.
Route the hoses thru the hose routing plate that was installed in Step #1.
Use Zip Ties to group some hoses on the left and right side of the hose routing plate. Strap the zip Ties over the top part of the routing plate
that is bolted to the tractor frame to keep the hoses towards the outside of each side of the routing plate.
Continue to route the hoses down the top of the drawbar to the back of the tractor where you can plug them into the tractor SCV Ports.
Strap the hoses to the drawbar with a set of hose holding plates (PN: 44-17245) in 2 locations. Place 1 set as close to the front of drawbar
as possible and the other behind the axle before the hoses would be routed upwards to be plugged in.
Make sure to keep some slack in the hose between the pivot point of the tractor and the rst set of hose holding plates. The hoses will move
when the tractor moves and oscillates.
For each set of plates, use 2 - 1/2” x 5-1/2” bolts (PN: 16-20139) and 2 - 1/2” nuts (PN: 70-20604). Put the bolts in from the bottom with the
nuts on the top.
Tighten the 1/2” nuts so the hoses are tight and don’t move. If you have the nuts as far as they go and you can’t get the plates tight against
the hoses, use the provided 3/4” spacers (PN:34-15528) and a 1/2” washer (PN: 57-20744) between the plates and the nuts to get everything
tight against the top of the drawbar.
Make sure you still have some slack in the hoses by the pivot area so the hoses don’t get pulled too tight when the tractor moves but don’t
make them too lose that they will get caught on any debris. Turn the tractor and oscillate the tractor to verify there is enough slack.
After rst 8 hours of use, re-torque all bolts.
Check all fasteners regularly to ensure proper operation of equipment.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
Item
No. Qty. Part No. Description
1 4 16-20139 1/2” x 5-1/2” Hex Bolt Gr 5 NC
2 1 44-17208 770 CNH Rear UC Hose Routing Plate
3 4 44-17245 770 CNH Hose Holding Plate
4 4 53-15528 Round Tube, Hose Routing Spacer - 3/4”
5 4 54-20744 1/2” Flat Washer
6 4 70-20604 1/2” Hex Center Lock Nut Gr 2 NC
7 2 70-20872-10 20mm Hex Nut 2.5 Pitch Class 10 Zinc

9
Angle Wire Harness
C3 - Blade Break Away
C8 & C9 - Coil
C6 & C7 - Left and Right Relay
C4 & C5 - Left and Right Proximity
C3 - Blade Break Away
See Page 10 for Attaching to Bracket
C2 - Selector Switch
C1 - Power Supply
Part Number: 69-14676
Part Number: 69-14675
Part Number: 69-14677
Part Number: 69-14679
USED ONLY WITH
ELECTRIC ANGLE SYSTEMS
Part Number: 69-14683
USED ONLY WITH
2 LEVER ANGLE SYSTEMS
See Pages 14 for full system wire harness
schematic
C6 - Left Relay
Valve
C7 - Right Relay
Valve
C8 - CoilC9 - Coil
Right Angle Cyylinder
69-14677 - Proximity Sensor
In Cab Connector
In Cab Switch

10
Item
No. Qty. Part No. Description
1 8 16-35C612 3/8” x 3/4” Flanged Bolt
2216-20002 1/4” x 3/4” Hex Bolt Gr 5 NC
3 1 18-14737 700 Series Female Coupler Mount - Universal
4 1 18-15580-L Bracket, Hydraulic Cover - Top Left
5 1 18-15580-R Bracket, Hydraulic Cover - Top Right
6 8 25-34342 Tappet Quick Coupler Male
7 4 25-34321 Tappet Quick Coupler Female
8* 2 25-3453 Pioneer Dust Cap Tilt (Green)
9* 2 25-3455 Pioneer Dust Cap Right Angle (Red)
10* 2 25-3457 Pioneer Dust Cap Lift (Orange)
11 8 31-34000 Bulkhead Union JIC (2700-8-8)
12 4 31-2700-10-10 Bulkhead Union JIC (2700-10-10)
13 2 31-34032 Bulkhead Run Tee JIC (2704-12-12-12)
14 8 31-34051 Straight Thread Elbow 90° JIC x O-Ring (6801-8-10)
15 2 31-34059 Straight Thread Elbow 90° JIC x O-Ring (6801-12-10)
16 2 31-34104 Swivel Nut Elbow 90° JIC (6500-12-10)
17 2 31-2406-12-10 JIC Reducer Expander (2406-12-10)
18 2 34-14826 1/2” ID Rubber Grommet
Tractor Side - Hydraulic Hose Routing
* Parts Not Shown
Hoses Not Drawn To Scale 14
31
30
1
28 32
16
3
7
11
22
19
14
11
1
5
23
20
32
6
26
33
21
24
29
35
15
12
26
18
33
29
4
13
2
25
27
17
34

11
Item No. Qty. Part No. Description
19 10 34-14898 Dome Plug (3044)
20 2 35-14351 31.63” -8 Formed Steel Line (Angle)
21 2 35-14352 33.88” -8 Formed Steel Line (Tilt)
22 2 35-19416 35.69” -10 Formed Steel Line (HD Left Lift)
23 1 35-15557 36.22” -10 Formed Steel Line (770HD Right Lift)
24 1 35-15558 39.22” -10 Formed Steel Line (770HD Right Lift)
25 4 35-12631-0690 69” x 1/2” -8JIC/-8JIC Abrasion Resistant Hose
26 435-12631-2930 293” x 1/2” -8JIC/-8JIC Abrasion Resistant Hose
27 2 35-12637-2930 293” x 3/4” -12JIC/-12JIC Abrasion Resistant Hose
28 1 44-14738 700 Series Female Coupler Retainer-Universal
29 2 44-15120 700 Series Side Cover Plate - Left
30 2 57-20740 1/4” Flat Washer
31 2 70-20580 1/4” Hex Nut Gr 5 NC
32 6 70-20622 3/8” Flange Hex Nut NC
33 8 70-20807 3/4” Hex Jam Nut
34 4 70-20808 7/8” Hex Jam Nut
35 2 70-20809 1-1/16” Hex Jam Nut
Tractor Side - Hydraulic Hose Routing
* Parts Not Shown
14
31
30
1
28 32
16
3
7
11
22
19
14
11
1
5
23
20
32
6
26
33
21
24
29
35
15
12
26
18
33
29
4
13
2
25
27
17
34

12
Hydraulic Connections
Item Qty. Part No. Description
A 6 34-14898 Dome Plug (3044)
B 2 35-14351 31.63” -8 Formed Steel Line (Angle)
C 2 35-14352 33.88” -8 Formed Steel Line (Tilt)
D 2 35-15556 36.19” -10Formed Steel Line (Left Lift)
E 1 35-15557 36.33” -10 Formed Steel Line (770 Right Lift)
F 1 35-15558 39.22” --10 Formed Steel Line (770 Right Lift)
A
C
Angle Base
Tilt Base
Tilt Rod
Angle Rod
D
Left Lift Base
Angle Rod
Tilt Rod
Tilt Base
B
C
C
Angle Base
B
D
D
Left Lift Rod
Right Lift Rod
Right Lift Base
F
E
A

13
Tilt Rod
Lift Rod
Angle Rod
Angle Base
Tilt Base
Lift Base
B
Hydraulic Connections

14
Angle Wire Harness
B-BLK
PPU
C-BLU
A-BRN
B-BLK
PPU
C-BLU
A-BRN
87
85 86
30
87
85 86
30
2 1
2 1
C B A
C
DEUTSCH PLUG
DEUTSCH PLUG DEUTSCH PLUG
4 PIN TRAILER PLUG
DEUTSCH PLUG
B A
Part Number 69-14675
Part Number 69-14677
C9: B1 COIL C8: B2 COIL C7: RIGHT RELAY
C
DEUTSCH PLUG
4 PIN TRAILER RECEPTICLE
C3
C1
C2
C3
C4
C5
C6
C7
C8
C9
85 30
86 87
B A
C6: LEFT RELAY
GROUND
RED 16GA. BLACK 16GA.
RIGHT PROX LEFT PROX POWER
GROUND RIGHT PROX LEFT PROX
A C B
C5: RIGHT PROX.
Part Number 69-14676
POWER
CONNECTIONS: C1: POWER SUPPLY C2: SELECTOR SWITCH C3: BLADE BREAK AWAY C4: LEFT PROX.
Part Number 69-14682
Part Number 69-14679
A2
BA
LEFT CYL
RIGHT CYL
B1 B2 A1
22
11

15
Hydraulic Schematic
Green Cap
Green Cap
Angle Quick Connects
Angle Cylinder Left
Angle Cylinder Right
Tilt Quick Connects
Red Cap
Tilt Cylinders
Left Lift Cylinder
AtRearOfTractor
Valve
A2
A1
B2
B1
Orange Cap
A
** Denotes location of gauge for adjustment of relief valve.
**
Red Plug Red Plug Red Cap
Green Plug
Red Cap
Red Cap
B
Orange Cap
Green Cap
Right Lift Cylinder
Female QuickConnects
Green Plug
Tilt to
Left
LiftUpLiftDown
Angle
Extend
Angle
Retract
Green Cap
Tilt to
Right

16
Grouser Products warrants to the original purchaser of each item that the product be free from
defects in material and workmanship under normal use and service for a period of two years. If such
equipment is found to be defective within two years, it is the obligation of Grouser Products under
this warranty to repair or replace (exclusive of the cost of labor and transportation), any equipment or
parts, in the judgment of Grouser Products to be defective in material or workmanship.
All equipment or parts claimed to be defective in material or workmanship must be made
available for inspection at the place of business of a dealer authorized to handle the equipment
covered by this warranty, or, upon request by Grouser Products, shipped to the Grouser Products
factory in West Fargo, North Dakota. Grouser Products shall have no obligation to bear the cost of
labor or transportation in connection with replacement or repair of any such defective parts in the
setup process.
This warranty covers only defects in material and workmanship. It does not cover depreciation
or damage caused by normal wear, accident, improper assembly, improper adjustments, improper
maintenance including lack of proper lubrication, or improper use. Therefore, Grouser Products
liability under this warranty shall not be effective or actionable unless the equipment is assembled,
maintained and operated in accordance with the operating instructions accompanying the equipment.
Grouser Products shall have no liability if the equipment has been altered or reworked without the
written authorization of Grouser Products.
Grouser Products’ parts, which are furnished under this warranty and properly installed, shall
be warranted to the same extent as the original parts under this warranty if, and only if, such parts are
found to be defective within the original warranty period covering the original equipment.
Warranty
Contact Us
Improvements
Grouser Products Inc. is continually striving to improve its products. We reserve the right to change
prices, specication, or equipment at any time without notice. We also reserve the right to make
improvements or changes when it becomes practical and possible to do so without incurring any
obligation to make changes or additions to the equipment sold previously.
As always, if you have any questions about your 770 Dozer or other products made by Grouser, feel
free to contact us.
Grouser Products
755 2nd Ave NW - West Fargo, ND 58078
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]
Website: www.grouser.com