CASE 33 BACKHOE Parts Manual

310 G/450 Crawlers Parts Catalog L) 33 Backhoe for

33 BACKHOE FOR 310G AND 450 CRAWLERS Parts Catalog No. 1995 PRICE $1.50 Ken Cook 2000 11.69 '::::. NOTE: This Parts Catalog replaces the previous issue No. 995 which is obsolete and should be discarded.

2 MODEL 33 BACKHOE FOR 3100 AND 450 CRAWLERS SERIAL NUMBER LOCATION BACKHOE SERIAL NUMBER LOCATION

Indexes Orders This Parts Catalog is arranged for easy Orders should plainly specify correct identification of Genuine CASE Service Parts. part number. full description. quantity re- An alphabetical index is provided at the quired. machine model and engine model. front of this Catalog to locate the major machine and engine serial numbers, method groups or assemblies. A numerical index of shipment and shipping address. at the rear of the Catalog gives the part Changes numbers and the pages on which they are described. When changes to the machine make it necessary. revised pages for this book will Illustrations be issued. The revised pages will be issued with the same page number as those they All parts are illustrated in "Exploded replace and the "issue" number and date Views" which show the individual parts in will be advanced. their normal relationship to each other. Re- ference numbers are used in the illustra- It is imperative that revised Parts Book tions. These numbers correspond to those in pages be inserted into their respective Parts the "Reference Number" column and are fol- Books as soon as received. Failure to do so lowed by the part number. description and will lead to confusion and defeat the purpose quantity required. of the book. Indented Description Indented parts in the description list are a part of the preceding assembly or sub-assembly. The quantity shown in the "Number Required" column is the number of parts used on a machine except where parts are indented in descriptive list. In this case the quantity shown is the number required for the preceding assembly or sub-assembly. REF. PART NO. DESCRIPTION REQ'D. A 55159 CYLINDER ASSY. - rear steering .................. 1 28 A 56208 SOCKET ASSY. - rear cylinder ................. 1 29 A 55956 PLUG - adjusting. socket assy ....... ••..•...•. 1 30 A 55957 SEAT - socket ball ............. • ........ •. 2 31 A 56210 SPRING - socket ................... •...•. 1 32 33 A G 56209 45175 SEAT - socket spring ............... •...••. 1 CLAMP ASSY. - socket assy. . . . . . . . . . . . . . . . • . .. 1 34 35 16- 132- 836 104 HHCS - 1/2" - 20 NF x 2-1/4" ................ 1 PIN - cotter, 3/16" dia. x 3" • • • • • • • • • • • • • • • • • • •• 1 Terms "Right Hand" and "Left Hand" "Right Hand" and "Left Hand" sides of the crawler are determined by sitting in the operator's seat facing the direction of forward travel. "Right Hand" and "Left Hand" sides of the backhoe are determined by sitting in the operator's seat facing the backhoe. "Lett Hand" o "Right Hand" 11670166

3A MODEL 33 BACKHOE FOR 310G AND 450 CRAWLERS ALPHABETICAL INDEX B Boom - backhoe 1l,13B Bucket - backhoe 19-19D C Console - backhoe control ......... •.. 23-29 Counterweights - backhoe ..... •.• ........ 21 Couplings - hydraulic ..• .......... • .... 45 Cylinder - backhoe. boom .•...• ...... 51.51B Cylinder - backhoe, bucket ...•...• .... 55,55B Cylinder backhoe, crowd ........ •... 53,53B Cylinder - backhoe, stabilizer ......... 47,47B Cylinder - backhoe, swing ............ 49,49B o Decal - backhoe .................. •... 69 Dipper - extendable ............. .... 15-15B Dipper - standard ...• ....... ••••.• .... 11 Dipper Light - backhoe •..• .... • ...... ••. 17 H Hose and Fitting Conversion Part Numbers .. 70 Hydraulics - basic backhoe, 310G . . . . . • . . .. 33 Hydraulics - basic backhoe, 450 .... •...•• 35 Hydraulics - boom, crowd and bucket cylinder .......... • ...... ••.. 41-43H Hydraulics - extendable dipper ..• ...... 15,15B Hydraulics swing and stabilizer .•...•. 37,39 Index numerical ...................... 77 Index - pictorial ................ • ..... 3 l Levers backhoe control ........ •.••.. 23-29 Linkage - backhoe control • . . . . . . . . • . .. 23-29 Light - dipper .•• ............. • ....... 17 M Mounting Frame backhoe· ............... 9 Mounting Parts - backhoe, 310G . • . . • . . . • . .• 5 Mounting Parts - backhoe, 450 •.••.•.•..•• 7 s Seat - backhoe ..• ..... • ........ •.• 29,31 Stabilizer - backhoe • .... • .... •.••.•... 9 Swing Tower - backhoe .... •...• .... •.•.. 11 T Tools - service • ....... • ...... ••.••..• 69 v Valve - backhoe control •..••..•.• ...... • 57 Valve Section boom .•..•.•...•••.••..• 67 Valve Section - bucket .... ••..••..•••.•. 63 Val ve Section - crowd .... •.• ....... ••.. 63 Valve Section - inlet ..• ....... •...•.•.. 59 Valve Section - outlet . . . . . • . . • . . . . . . . .. 59 Valve Section - stabilizer ............... 61 Valve Section - swing . . . . . . . . . . • . . . . . .. 65 691364

MODEL 33 BACKHOE 3B FOR 3100 AND 450 CRAWLERS PICTORIAL INDEX DIPPER ••• 11-13B ~ /~V!l\ HYDRAULICS .•• 15, 33 - 43H BOOM CYL. . . . 51- 51B CONSOLE . . . 23 - 29 \ BUCKET CYL •••• 55- 55B SEAT ..• 29-31 MOUNTING FRAME AND STABILIZ ERS • • • 9 BUCKET ••• 19 - 190 " SWING TOWER .•. 11-13B VALVE •.. 57 STABILIZER CYL ••.• 47- 47B SWING CYL. . .. 49- 49B STABILIZER SHIELD .•• 9 691365 Printed in U.s.A. Issued October, 1969

4 B6701iJ

•••• 15 MODEL 33 BACKHOE FOR 3100 CRAWLERS BACKHOE MOUNTING PARTS REF. PART NO. DESCRIPTION REQ'D. 1 D 37455 SUPPORT ARM - lower, R.H...... • 0 0 • 0 0 0 •• 0 • 0 0 0 • 0 1 2 D 37454 SUPPORT ARM - lower, L.H............. •• 0 0 1 0 0 • •• 3 D 34086 "U" BOLT - support arm mounting ................. 2 4 D 34814 P L ATE - lock ............................... 2 5 25- 1010 NUT - hex. (5/8" - 11 NC) ........ 4 0 ••••• 0 •••••••• 6 13- 14128 HHCS - 7/8" -9 NC x 8" ........................ 4 7 D 26238 PLATE - lock ................. •• •••• 2 0 ••••• 0 0 8 D 31122 CLAMP - upper half .................... •. 0 2 9 131- 358 NUT - hex., lock (7/8" - 9 NC) ................ •.. 4 0 10 13- 1016 HHCS - 5/8" - 11 NC x 1" ..... •. 0 0 2 0 ••••••• 0 ••• •• 11 92- 10 WASHER - med. sect. lock (5/8") ..... 0 2 0 0 •••••••••• 12 70523 WASHER - pin retaining .......... 0 • 0 • • • • • 0 0 0 0 0 • 2 13 D 33697 PIN - upper to lower support arm ........ 0 • 0 0 2 0 • 0 0 • 0 14 D 37461 SUPPORT ARM - upper, R.H................... 0 1 0 • 15 D 37460 SUPPORT ARM - upper, LoH..• 0 • 0 •• 0 • 0 0 0 0 •••••••• 1 16 25- 1116 NUT - hex. (1" - 14 NF) ............ • .... 4 0 •••••• 17 D 43381 TENSION ROD - upper to lower support arm ..• 0 • 2 ••••• 0 18 D 26918 RING - pin retaining .. 0 • • • • • • • • 0 • • • • • • • • • 0 • • • • • 4 19 D 33816 PIN - tension rod to lower support arm ......... 0 •••• 2 20 D 33805 KLIK PIN - pin retaining ........... • ...... 0 ••••• 2 21 D 38697 PIN - upper support arm to mounting frame . • 0 0 • 2 0 0 0 0 0 • Printed in U.B.A. Issued October, 1969

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CASE 33 BACKHOE Parts Manual

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