Seal Kitpub/@eaton/@hyd/docu… · Installation Information NO. 4-205 July, 1994 25 Series...
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Installation Information NO. 4-205 July, 1994 25 Series Char-Lynn ® Steering Control Units -001 No. 64429-000 Seal Kit Eaton Corporation HJdr11Hcs Division 15151 Hv,y. 5 Eden Prairie, MN 55344 Telephone 6121937-9800 Fax 612/937-7130 Eaton Ltd. HJdraulics Division Glenrothes, Fife Scotland, KY7 4NW Telephone 44/592-771-771 Fax 44/592-773-184 Copyright Eaton Corporation, 1985 and 1994 All Rights Reserved Printed in USA Clean exterior of steering control unit. Dra in oil from housing. Refer to parts list 6-225 when ordering replacement parts. Disassemble and reassemble parts as shown in Fig. 1. For complete disassembly and reassembly instructions, refer to Repair Manual 7-306. Disassembly Control End Seal Figure 2 Meter (Gerotor) End Clamp housing as shown in Fig. 2. Don't over- tighten jaws. 2 Remove cap screws. 3 Remove end cap. 4 Remove seal from end cap. 5 Remove meter (gerotor). 6 Remove seal from meter (gerotor) . 7 Remove wear plate. 8 Remove seal from housing. 9 Remove drive. Control End 10 Place housing on clean soft cloth to protect surface finish. Figure 3 .11 Use a Tru-Arc retaining ring ratchet pliers ,(S- 6500) to remove retaining ring from housing, see Fig. 3. Figure 4 ·12 Push spool and sleeve assembly forward just far enough to remove front retainer from housing, see Fig. 4. 13 Remove Teflon seal, a-ring seal, back-up ring, 2 in. [50mm] dia. seal, and dust seal from front retainer. Use a thin bladed screwdriver to pry dust sea l from retainer. Don't damage seal pocket of retainer. Meter (Gerotor) End
Transcript of Seal Kitpub/@eaton/@hyd/docu… · Installation Information NO. 4-205 July, 1994 25 Series...
Installation Information
NO. 4-205 July, 1994
25 Series Char-Lynn® Steering Control Units -001
No. 64429-000 Seal Kit
Eaton Corporation HJdr11Hcs Division 15151 Hv,y. 5 Eden Prairie, MN 55344 Telephone 6121937-9800 Fax 612/937-7130
Eaton Ltd. HJdraulics Division Glenrothes, Fife Scotland, KY7 4NW Telephone 44/592-771-771 Fax 44/592-773-184
Copyright Eaton Corporation, 1985 and 1994 All Rights Reserved Printed in USA
Clean exterior of steering control unit. Dra in oil from housing. Refer to parts list 6-225 when ordering replacement parts. Disassemble and reassemble parts as shown in Fig. 1. For complete disassembly and reassembly instructions, refer to Repair Manual 7-306.
Disassembly
Control End
Seal
Figure 2
Meter (Gerotor) End
Clamp housing as shown in Fig. 2. Don't overtighten jaws.
2 Remove cap screws.
3 Remove end cap .
4 Remove seal from end cap.
5 Remove meter (gerotor).
6 Remove seal from meter (gerotor) .
7 Remove wear plate.
8 Remove seal from housing.
9 Remove drive.
Control End
10 Place housing on clean soft cloth to protect surface finish.
Figure 3
.11 Use a Tru-Arc retaining ring ratchet pliers ,(S-6500) to remove retaining ring from housing, see Fig. 3.
Figure 4
·12 Push spool and sleeve assembly forward just far enough to remove front retainer from housing, see Fig. 4.
13 Remove Teflon seal , a-ring seal, back-up ring, 2 in. [50mm] dia. seal, and dust seal from front retainer. Use a thin bladed screwdriver to pry dust sea l from retain er. Don't damage seal pocket of retainer.
Meter ( Gerotor) End
Reassembly
Replace all parts that have nicks, scratches, or excessive wear which could cause leakage. Don't file or grind any part of this unit. Clean disassembled parts in clean solvent, then blow dry with air. Don't dry parts with cloth or paper toweling.
Note: Lubricate all seals prior to installation with petroleum jelly such as Vaseline.
Control End
14 Install dust seal in front retainer, flat or smooth side down, see Fig. 5.
15 Install back-up ring, o-ring seal and Teflon seal in front retainer. Do not use any seal that fall freely into pocket of retainer.
16 Install 2 in. [50mm] Dia. seal on front retainer.
Figure 5
Back-up Washer
18 Use a Tru-Arc retaining ring ratchet pliers (S-6500) to install retaining ring in housing. Make sure retaining ring seats properly in ring groove of housing, see Fig. 5.
19 Clamp housing as shown in Fig. 2. Don't over. tighten jaws.
Note: Push spool and sleeve down flush with or slightly below 14 hole surface of housing. Clean upper surface of housing with palm of clean hand. Clean remaining meter section parts in a similar way before reassembly.
20 Install 4 3/4 in.[120inm] Dia. seal in housing.
Drive (marked)
Meter ( Gerotor) Star Valley
17 Install front retaioer over the spool end with Figure 6 twisting motion. Tap the retainer in place with a rub-ber hammer, see Fig. 5.
21 Rotate spool and sleeve assembly until centering pin is parallel with port face, see Fig. 6. Install drive, make sure you engage drive with centering pin. To assure proper alignment, mark one of the two drive 'tooth slots that are parallel with slot in the end of the drive as shown in Fig. 7 ( Ref. B, C ).
22 Install wear plate.
23 Install 4 3/4 in.[120mm] Dia. a-ring seal on meter face.
24 With seal side of meter down, install meter on drive. If star has counterbore install with counterbore facing end cap. lmPQrtant:The timing mark on drive must fall on the parallel line between any 2 meter star valley1, Note parallel relationships of reference lines A,B,C and DFigs. 6 and 7. Align bolt holes without disengaging meter from drive. Be careful when adjusting meter on housing, excessive turning of meter may disrupt seal between meter and wear plate.
c
Centering Pin
Figure 7
25 Install 4 3/4 in.[120mm] Dia. seal in end cap.
26 Install end cap, align holes. Do not disrupt sea I from end cap.
27 I nstal I 7 Q!Y cap screws. Pretighten screws to 15-20 lb-ft[20-27Nm], then torque screws to 75 lb-ft[100Nm] in sequence, see Fig. 8.
5
I 7x;-o~3 (, J
2\0 0)--1 ~70 0/ -----\ 4 6
Figure 8
