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TORQUE SPECIFICATIONS

Proper toque for American fasteners used on Bush Hog equipment.

Recommended Torque in Foot Pounds (Newton Meters).*

BOLT DIAMETER

WRENCH

(IN.) “B” AND

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 (60)

9/16

3/8 - 24 UNF

23 (31)

35 (47)

49 (66)

5/8

7/16 - 14 UNC

32 (43)

49 (66)

70 (95)

5/8

7/16 - 20 UNF

36 (49)

55 (75)

78 (106)

3/4

1/2 - 13 UNC

49 (66)

76 (103)

106 (144)

3/4

1/2 - 20 UNF

55 (75)

85 (115)

120 (163)

7/8

9/16 - 12 UNC

70 (95)

109 (148)

153 (207)

7/8

9/16 - 18 UNF

79 (107)

122 (165)

172 (233)

15/16

5/8 - 11 UNC

97 (131)

150 (203)

212 (287)

15/16

5/8 - 18 UNF

110 (149)

170 (230)

240 (325)

1-1/8

3/4 - 10 UNC

144 (195)

266 (360)

376 (509)

1-1/8

3/4 - 16 UNF

192 (260)

297 (402)

420 (569)

1-5/16

7/8 - 9 UNC

166 (225)

430 (583)

606 (821)

1-5/16

7/8 - 14 UNF

184 (249)

474 (642)

668 (905)

1-1/2

1 - 8 UNC

250 (339)

644 (873)

909 (1232)

1-1/2

1 - 12 UNF

274 (371)

705 (955)

995 (1348)

1-1/2

1 - 14 UNF

280 (379)

721 (977)

1019 (1381)

1-11/16

1-1/8 - 7 UNC

354 (480)

795 (1077)

1288(1745)

1-11/16

1-1/8 - 12 UNF

397 (538)

890 (1206)

1444 (1957)

1-7/8

1-1/4 - 7 UNC

500 (678)

1120 (1518)

1817 (2462)

1-7/8

1-1/4 - 12 UNF

553 (749)

1241 (1682)

2013 (2728)

2-1/16

1-3/8 - 6 UNC

655 (887)

1470 (1992)

2382 (3228)

2-1/16

1-3/8 - 12 UNF

746 (1011)

1672 (2266)

2712 (3675)

2-1/4

1-1/2 - 6 UNC

870 (1179)

1950 (2642)

3161 (4283)

2-1/4

1-1/2 - 12 UNF

979 (1327)

2194 (2973)

3557 (4820)

Proper torque for metric fasteners used on Bush Hog equipment.

Recommended torque in foot pounds (newton Meters).*

WRENCH

BOLT

SIZE

DIA.

ASTM

(mm) “A”

(mm) “B”

4.6

8.8

9.8

10.9

1.8 (2.4)

5.1 (6.9)

6.5 (8.8)

3 (4)

8.7 (12)

11.1 (15)

7.3 (10)

21.1 (29)

27 (37)

14.5 (20)

42 (57)

53 (72)

25 (34)

74 (100)

73 (99)

93 (126)

40 (54)

118 (160)

116 (157)

148 (201)

62 (84)

167 (226)

181 (245)

230 (312)

122 (165)

325 (440)

449 (608)

443 (600)

611 (828)

211 (286)

563 (763)

778 (1054)

821 (1112)

1138 (1542)

418 (566)

1119 (1516)

1547 (2096)

*Use 75% of the specified torque value for plated
fasteners. Use 85% of the specified torque

values for lubricated fasteners.

Numbers appearing on bolt heads
indicate ASTM class.

METRIC

AMERICAN

Bolt Head Markings

Wrench

Size “A”

Bolt

Diameter “B”

SAE Grade 8

(6 Dashes)

SAE Grade 2

(No Dashes)

SAE Grade 5

(3 Dashes)

Wrench

Size “A”

8.8

Bolt

Diameter “B”

Содержание M146

Страница 1: ...BUSH HOG ASSEMBLY OPERATION MAINTENANCE 401 4 00 50029373 OPERATOR S MANUAL Front End Loaders M146 M246...

Страница 2: ...h are manufactured with the same precision and skill as our original equipment Our trained service personnel are well informed on methods required to service Bush Hog equipment and are ready and able...

Страница 3: ...nsibility to inspect the product and to have any part s repaired or replaced when continued operation would cause damage or excessive wear to other parts or cause a safety hazard It is the Retail Cust...

Страница 4: ...Bush Hog duty taxes charges for normal service or adjustment loss of crops or any other loss of income rental of substitute equipment expenses due to loss damage detention or delay in the delivery of...

Страница 5: ...e attachments for loader operations Buckets for lifting loose materials bale spear for lifting round bales fork lift for lifting palletized material Operators manual has been delivered to owner and he...

Страница 6: ...the equipment safety signs These words are intended to alert the viewer to the existence and the degree of hazard seriousness This signal word indicates a potentially hazardous situation which if not...

Страница 7: ...urn the tractor at low speeds 7 Stop tractor engine place transmission in park or neutral engage parking brake lower loader arms to ground cycle all hydraulic controls to relieve pressure allow machin...

Страница 8: ...rly small children The operator should cease operation whenever anyone comes within the operating area 5 Operate the loader from the Operator s Seat Only 6 Exercise caution when operating the loader w...

Страница 9: ...not limited to instructions to Keep all guards in place when the machine is in operation Permit no riders on equipment Stop engine disconnect the power source and wait for all machine movement to stop...

Страница 10: ...ment If any assistance or additional information is needed contact your autho rized Bush Hog dealer 1 2 DESCRIPTION Model M146 M246 Front End Loaders are designed for two wheel and four wheel drive tr...

Страница 11: ...t Pin 1730 lbs 940 lbs X Lift Capacity to 59 Height 31 5 M246 1195 lbs 710 lbs 19 7 M146 Forward of Pivot Pin Y Breakout Force At Pivot Pin 2370 lbs 1335 lbs Z Breakout Force 31 5 M246 1530 lbs 965 lb...

Страница 12: ...ly drive tractor to a position where the hoses can be connected to the quick couplers Stop the engine Figure 2 3 Connect the loader hydraulic hoses to the correct couplers B Retract Loader Lift Cylind...

Страница 13: ...ure 2 5 Figure 2 5 Loader Installed With All Pins In Working Position Figure 2 7 Clamp Installed In Working Position 11 F Extend lift cylinders slowly making sure loader is seated completely in mounti...

Страница 14: ...HYDRAULIC SYSTEM COULD CAUSE THE LOADER TO DROP OR ATTACHMENT TO DUMP CAUSING SEVERE INJURY CAUTION CAUTION DO NOT ALLOW BYSTANDERS IN LOADER AREA IMPORTANT Never allow weight of tractor to be placed...

Страница 15: ...uplers Start tractor and slowly back tractor away from loader Figure 2 10 IMPORTANT To avoid hydraulic hose damage be alert and make sure hoses do not catch on tractor and or loader during mounting or...

Страница 16: ...POSITION The loader external valve provided by Bush Hog has a float position incorporated into the lift cylinder cir cuit which allows the loader to float This float fea ture is important for satisfac...

Страница 17: ...from the system and the system responds properly CAUTION BEFORE LEAVING THE TRACTOR SEAT LOWER ATTACHMENT OR LOADER BOOM TO GROUND STOP ENGINE LOCK BRAKES RELIEVE HYDRAULIC PRES SURE AND REMOVE KEY 1...

Страница 18: ...each pass FILLING THE BUCKET Approach and enter the pile with a level bucket The lift and rollback of the bucket will increase efficiency because DO THIS a level bucket throughout the lifting cycle r...

Страница 19: ...visibility whether the bucket is loaded or empty Use extreme caution when operating the loader on a slope and keep the bucket as low as possible This keeps the bucket and tractor center of gravity low...

Страница 20: ...G FROM A BANK Choose a forward gear that provides sufficient ground speed for loading Exercise caution when undercutting high banks Dirt slides can be dangerous Load from as low as possi ble for maxim...

Страница 21: ...LOADING LOW TRUCKS OR SPREADERS FROM A PILE For faster loading minimize the angle of turn and length of run between pile and spreader Backgrade occasionally with a loaded bucket to keep the working su...

Страница 22: ...ground speed when transporting a load Take extra care when traveling over rough terrain or on slopes WHEN TRANSPORTING THE LOAD KEEP THE BUCKET AS LOW AS POSSIBLE TO RESIST TIP PING IN CASE A WHEEL DR...

Страница 23: ...ket cylinder so that bottom of attachment will swing into position Rotate handles downward locking spring loaded pins into place in slot on attachment hitch for operation To dismount the attachment Ti...

Страница 24: ...ning dur ing operation periodically check that all loader mounting kit hardware is torqued to specifications noted in torque chart Page 36 To aid in mounting and dismounting loader apply a small amoun...

Страница 25: ...lve is pre set at the factory and should not be adjusted 4 4 TROUBLESHOOTING Troubleshooting procedures are listed on page 24 If the problem cannot be solved or replacement parts are necessary contact...

Страница 26: ...ift capacity Check tractor system Internal boom cylinder leakage Replace any worn parts and install a seal repair kit Improper hydraulic valve Repair or replace valve operation Slow leakdown Worn cont...

Страница 27: ...SSEMBLY CAUTION 25 Read entire instructions before beginning to install the loader Personal injury and machine damage may be prevented if you read and understand these instructions and special safety...

Страница 28: ...VING ATTACHING STRAPS THE LOADER MAY SHIFT DURING SHIPPING AND HANDLING MAKING IT UNSTABLE ON THE PALLET SUPPORT LOADER WITH AN OVERHEAD HOIST OR OTHER SUITABLE MEANS PRIOR TO REMOVING BANDS OR ATTACH...

Страница 29: ...ket to Mount Bracket L H 1 1 2 x 1 3 4 Capscrew 1 1 2 Lockwasher 1 1 2 Hex Nut Valve Mount to Mount Bracket R H 1 3 8 x 1 Capscrew 1 3 8 Flatwasher 1 3 8 Lockwasher 1 3 8 Hex Nut Valve Mount to Mount...

Страница 30: ...r Bracket to Mount Bracket L H 1 1 2 x 1 3 4 Capscrew 1 1 2 Lockwasher 1 1 2 Hex Nut Valve Mount to Mount Bracket R H 1 3 8 x 1 Capscrew 1 3 8 Flatwasher 1 3 8 Lockwasher 1 3 8 Hex Nut Valve Mount to...

Страница 31: ...t Plate L H 1 1 2 x 2 1 4 Capscrew 2 1 2 Flatwashers 1 1 2 Lockwasher 1 1 2 Hex Nut Mount Plate R H to Loader Bracket to Mount Plate L H 1 1 2 x 2 Capscrew 1 1 2 Lockwasher 1 1 2 Hex Nut Valve Mount t...

Страница 32: ...nt Plate L H 1 1 2 x 2 1 4 Capscrew 2 1 2 Flatwashers 1 1 2 Lockwasher 1 1 2 Hex Nut Mount Plate R H to Loader Bracket to Mount Plate L H 1 1 2 x 2 Capscrew 1 1 2 Lockwasher 1 1 2 Hex Nut Valve Mount...

Страница 33: ...leted by connecting pressure port to return port Failure to do this will cause serious damage to tractor hydraulic pump INSTALLATION INSTRUCTIONS 1 Remove plug from right side of valve 2 Install power...

Страница 34: ...ue 5 11 STANDARD BUCKET LEVEL INDICATOR ROD A Attach boom and hydraulic cylinders to bucket using fasteners provided as shown in Figure 5 3 B Place indicator rod through guide tube and posi tion as sh...

Страница 35: ...bes Secure in place with roll pins Roll Pin Support Rod Mainframe Fork 5 12 SKID STEER QUICK HITCH M246 Only Attach the boom and hydraulic cylinders to the quick hitch assembly using the fasteners pro...

Страница 36: ...ls for any of our products in the field at no charge Contact your authorized Bush Hog dealer for more information 34 500100233 50100231 50100243 Decals 50100231 50100233 50100234 and 24H41969 are loca...

Страница 37: ...35 62779 50100907 24H41969 50100234...

Страница 38: ...54 480 795 1077 1288 1745 1 11 16 1 1 8 12 UNF 397 538 890 1206 1444 1957 1 7 8 1 1 4 7 UNC 500 678 1120 1518 1817 2462 1 7 8 1 1 4 12 UNF 553 749 1241 1682 2013 2728 2 1 16 1 3 8 6 UNC 655 887 1470 1...

Страница 39: ...P O Box 1039 Selma AL 36702 1039 Telephone 334 874 2700 BUSH HOG L L C...

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