Page 3 - Operator’s Manual; BUSH HOG; TABLE OF CONTENTS; RETAIL CUSTOMER’S RESPONSIBILITY; PAGE
Operator’s Manual BUSH HOG BACKHOE MODELS CBH60, CBH70, CBH80 TABLE OF CONTENTS SECTION/PARA PAGE Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Dealer Preparation Check List. . . . . . . . . . . . . . 3 Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . 5 Safety...
Page 4 - LIMITED WARRANTY; DISCLAIMER OF IMPLIED WARRANTIES & CONSEQUENTIAL DAMAGES; THIS LIMITED WARRANTY SHALL NOT APPLY:; OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
LIMITED WARRANTY OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO Bush Hog warrants to the original purchaser of any new Bush Hog equipment, purchased from an authorized Bush Hog dealer, that the equipment be free from defects in material and workmanship for a period of one (1) year for non-commercial, state, and mu...
Page 5 - DEALER PREPARATION CHECK LIST
DEALER PREPARATION CHECK LIST CBH60 - CBH70 - CBH80 BACKHOES BEFORE DELIVERING MACHINE - The following check list should be completed. Use the Operator’s Manual as a guide. q Machine properly assembled. q All safety decals readable (See decal page). q All bolts tightened to torque specifications giv...
Page 6 - Signal Words
Safety Alert Symbol This Safety Alert Symbol means: “ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!”This symbol is used to call attention to safety precautions that should be followed by the operator to avoid accidents. When you see this symbol, carefully read the message that follows and heed it...
Page 7 - IMPORTANT SAFETY PRECAUTIONS; THE TRACTOR; THE BACKHOE
IMPORTANT SAFETY PRECAUTIONS This symbol is used to call attention to safe- ty precautions that should be followed by the operator to avoid accidents. When you see this symbol, carefully read the message that follows and heed its advice. Failure to comply with safety precautions could result in seri...
Page 8 - SAFETY PRECAUTIONS CONTINUED
12. DO NOT dig under stabilizers or tractor backhoe. Soft ground or sandy soil can cause cave-ins. 13. KEEP BUCKET away from the stabilizer area to avoid possible stabilizer damage. 14. ALWAYS swing bucket uphill to dump when on a hillside and keep loaded bucket low. 15. SET BRAKES and block wheels ...
Page 9 - SAFETY DECALS
SAFETY DECALS The safety of the operator was a prime consideration in the design of the backhoe. Proper shielding, conve- nient controls, simple adjustments and other safety features have been built into this implement. The following decals are located on the backhoe. Keep decals clean and replace t...
Page 10 - IMPORTANT FEDERAL LAWS AND REGULATIONS* CONCERNING; EMPLOYEE TRACTOR OPERATING INSTRUCTIONS:
IMPORTANT FEDERAL LAWS AND REGULATIONS* CONCERNING EMPLOYERS, EMPLOYEES AND OPERATIONS. *(This section is intended to explain in broad terms the concept and effect of the following federal laws and regulations. It is not intended as a legal interpretation of the laws and should not be considered as ...
Page 11 - GENERAL OPERATION
GENERAL OPERATION ! ! CAUTION To avoid possible injury, observe the following safety rules BEFORE OPERATING the backhoe: 1. BE SURE area is clear of underground utilities or other hazards. 2. POSITION barricade around work area. 3. PROVIDE adequate front end weight to counter-balance tractor at all ...
Page 14 - PLACING THE STABILIZERS; Bucket should be; DO NOT CHAIN BACKHOE DOWN IN ORDER; Figure 4
! ! CAUTION To avoid possible injury, observe the following safety rules when transporting the backhoe: 1. ALWAYS engage safety locks as shown on Figs. 1 and 3 when transporting backhoe.2. TRAVEL SLOWLY over rough terrain, on hillsides, and around curves to prevent tipping.3. DO NOT drive the tracto...
Page 17 - BEGINNING OF SEASON; Hydraulic System Reservoir; SERVICE
! ! CAUTION To avoid possible injury, observe the following safety rules WHEN SERVICING the backhoe: 1. ENGAGE safety locks as shown in Figures 1 & 3 before servicing the backhoe.2. DO NOT oil, grease or adjust the backhoe while it is in motion.3. DO NOT change any backhoe relief valve settings....
Page 18 - LUBRICATION; Tightening Nuts and Bolts
TOOTH REPLACEMENT The bucket tooth points are shelf-sharpening and will require little attention; however these points on the bucket shanks can be replaced when they become badly worn or broken. If a tooth shank breaks off, becomes damaged or lost so that it cannot hold a tooth point, a new shank sh...
Page 19 - REMOVAL FROM TRACTOR - STORAGE; Place Blocking Under
REMOVAL FROM TRACTOR - STORAGE The backhoe is self-assisting during the installation and removal procedures. For removal and storage, follow these steps:1. Install the swing safety lock pin as shown in Figures 1 and 3. 2. Stretch out the boom, dipper stick and bucket as shown in Figure 9. Lower the ...
Page 20 - STABILIZER PADS; Hydraulic Trouble Shooting; TROUBLESHOOTING PROCEDURES
STABILIZER PADS The backhoe is supplied with flip-over stabilizer feet (Excluding Model CBH60) as standard equipment. They are suitable for most backhoe work and gener- ally are all that is ever required. However, foot pad kits are available as options. These kits bolt to the standard feet and incre...
Page 27 - MONOBLOCK VALVE
MODEL CBH 60 MONOBLOCK VALVE REPAIR - DISASSEMBLY Replacing Spools Seals: Note: For the purpose of these instructions we will consider the control handle side of the valve as the FRONT, and the opposite side as the BACK. 1. Remove control valve from the backhoe. 2. Throughly clean the exterior of th...
Page 31 - MOUNTING KITS AND OPTIONAL KITS ASSEMBLY; -POINT HITCH LINKAGE FOR CBH 60 & CBH 70; General Description
MOUNTING KITS AND OPTIONAL KITS ASSEMBLY 3-POINT HITCH LINKAGE FOR CBH 60 & CBH 70 General Description Mounting and hydraulic kits do not include hoses to connect the backhoe to the tractor hydraulic system. Additional hydraulic components, hoses, and/or kits will be required to complete the hoo...
Page 38 - PTO PUMP & RESERVOIR KIT INSTALLATION; General Description CBH70
PTO PUMP & RESERVOIR KIT INSTALLATION General Description CBH70 4.5 GPM Pump The PTO Pump Kit consists of those parts required to power the backhoe from the tractor’s PTO shaft. It includes the PTO pump and adapter, reservoir, filtra- tion system, hydraulic hoses, and fittings. In addi- tion, it...
Page 39 - Installation
IMPORTANT - When installing the backhoe, do not let the Swing Cylinders interfere with the backhoe pump, or have the hydraulic lines become entangled in any part of the backhoe or tractor. Make sure both Pressure and Suction Lines are free from kinks or twists to reduce back pressure and excessive h...
Page 40 - General Description CBH 80
General Description CBH 80 6.1 GPM Pump The PTO Pump Kit consists of those parts required to power the backhoe from the tractor’s PTO shaft. It includes the PTO pump and adapter, reservoir, filtra- tion system, hydraulic hoses, and fittings. In addi- tion, it includes a pump plate which attaches to ...
Page 43 - Tractors With Closed-Center Hydraulic; Backhoe Operation
H y d r a u l i c H o o k - U p ( C B H 8 0 ) F o r Tractors With Closed-Center Hydraulic Systems (Figure 21) There are two basic types of hydraulic systems, open-center and closed-center. The open-center system constantly pumps oil through the hydraulic cylinder operating valves and returns the oil...
Page 44 - POWER BEYOND KITS; FOR TRACTORS WITH OPEN-CENTER HYDRAULIC SYSTEMS; FIRST PROCEDURE
POWER BEYOND KITS FOR TRACTORS WITH OPEN-CENTER HYDRAULIC SYSTEMS General Description A power beyond application is required to convert a hydraulic valve so that pressurized oil can be direct- ed to another “open center” valve. This allows the backhoe valve and a loader valve, or other accesso- ry, ...
Page 45 - BUSH HOG BACKHOE & BUSH HOG LOADER VALVE
BUSH HOG BACKHOE & BUSH HOG LOADER VALVE Figure 22NOTE: Large loader valve (Walvoil) shown. Small loader valve porting is different. Refer to loader opera- tor’s manual for different valves. Inlet Bush Hog Loader Valve Outlet Open Center Plug Power Beyond Plug (Supplied With Valve) IMPORTANT: Ne...
Page 47 - Power Beyond – Model CBH60 - FIGURE 24
Power Beyond – Model CBH60 - FIGURE 24 1. Remove the cover that encloses the backhoe valve within the control console. 2. Disconnect Return Hose from 90 degree Adapter Union located on right hand side of control valve. 3. Remove 90 degree Adapter Union from control valve. 4. Install 1/4" BSPP Pi...
Page 48 - Power Beyond – Model CBH70 & CBH80 - FIGURE 25
Power Beyond – Model CBH70 & CBH80 - FIGURE 25 1. Remove Plug from underside of Right Hand Valve End Cover. 2. Install “Shut Off” Plug into the port opening. Torque Plug to 32 ft-lbs. 3. Remove Plug from Upper port on front side of Right Hand Valve End Cover. 4. Install 90 degree Adapter Union i...
Page 49 - MECHANICAL THUMB INSTRUCTIONS - FIGURE 26; Thumb Operation; Installing Thumb to Backhoe
MECHANICAL THUMB INSTRUCTIONS - FIGURE 26 Thumb Operation The Mechanical Thumb is used for picking up objects and securing them between the thumb and the bucket.Large objects which can include rocks and logs when grasped, will increase momentum of backhoe as it is swung side to side. Do not make sud...
Page 51 - frame pivot pin connection.
REPOSITION STABILIZER CYLINDERS BEFORE REMOVING BACKHOE FROM SHIPPING PALLET Cylinder ports must be pointing upward and hoses routed above the cylinder to main- frame pivot pin connection. Backhoe is shipped palletized from factory. Remove stabilizers and fasteners from pallet. Position stabilizer b...
Page 53 - TORQUE SPECIFICATIONS; METRIC
BOLT DIAMETER WRENCH (IN.) “B” AND SAE SAE SAE SIZE (IN.) “A” THREAD SIZE GRADE 2 GRADE 5 GRADE 8 7/16 1/4 - 2O UNC 6 (7) 8 (11) 12 (16) 7/16 1/4 - 28 UNF 6 (8) 10 (13) 14 (18) 1/2 5/16 - 18 UNC 11 (15) 17 (23) 25 (33) 1/2 5/16 - 24 UNF 13 (17) 19 (26) 27 (37) 9/16 3/8 - 16 UNC 20 (27) 31 (42) 44 (6...
