MICROMATIC ROTAC SB-18 Скачать руководство пользователя страница 30 | Manualshive

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RM – 26-10-7707 Rev.

E

Page

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b) ASSEMBLY TOOL KITS (2 TYPES)

i) The assembly tools work on both GEN1 and GEN2 actuator assemblies.

ii) FLAT SHAFT END ACTUATORS:

26-97-0348 - BILL OF MATERIAL

(FLAT SHAFT ENDS)

ITEM QTY. PART NUMBER

DESCRIPTION

1

1

SK-4312-1

BROMMA DUMMY HEAD PLATE

2

2

26-12-0141

SHCS 1/2"-13 X 1-1/4LG.

3

1

SK-4318

PROTECTOR, VANE SEAL

4

1

SK-5238-02

SHOE SEAL PROTECTOR, BROMMA

5

2

A010152

PIN, SB, 18, DUMMY, DOWEL

6

1

SK-4391

PROTECTOR, SHAFT SEAL

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Содержание ROTAC SB-18

Страница 1: ...REPAIR MANUAL ROTAC Models SB 18 SB 18 2 Bills of Material Part Numbers Micromatic Bromma Article For further information contact MICROMATIC LLC 525 Berne St Berne IN 46711 1298 Ph 260 589 2136 Fax 26...

Страница 2: ...UTHMAN C 10SEP21 REVISED ASSEMBLY TOOL KIT BY ADDING TWO A010152 DOWEL PINS TO THE BOM LUTHMAN D 11FEB22 REMOVE SEALS A010263 A010264 AND 26 09 0714 THEY NEED REPLACED WITH 26 09 2813 SHAFT SEAL AND 2...

Страница 3: ...of 39 INDEX OF SECTIONS 1 INTRODUCTION 2 DISASSEMBLY 3 EVALUATION AND CORRECTIONS 4 PREPARATION AND SEAL INSTALLATION 5 ASSEMBLY WITH ASSEMBLY TOOLS 6 ASSEMBLY WITHOUT ASSEMBLY TOOLS 7 REFERENCE INFO...

Страница 4: ...d Generation GEN2 SB 18 2 1V DE FLATS FT and SB 18 2 1V DE KEY FT 1 26 10 7747 BR1709884 shaft with flat ends 2 26 10 7748 BR1709888 shaft with round end and key slots b Actuator servicing should not...

Страница 5: ...ettings 2 GEN2 cartridges are NOT interchangeable with GEN1 manifold vii Manifold 1 Pressure cartridge cavities different pressure relief cartridge specific 2 The manifold with the pressure relief car...

Страница 6: ...inserted e Manifold Removal i Remove six 6 SHCS bolts ii Remove two 2 O rings 1 Inspect O rings for any damage 2 Clean O rings iii Remove cartridge only if necessary f Head Removal i DO NOT PRY HEADS...

Страница 7: ...ic particles may originate from valve spools actuator internal parts and hydraulic system components e The appearance of any contamination will require flushing and cleaning of the hydraulic system f...

Страница 8: ...on the maximum and minimum allowable diameters 4 Replace the shaft if its size is out of specifications viii Round shafts with key slots 1 If the key seats are widened it will allow the key to move d...

Страница 9: ...n and other contamination MUST be removed from the seal grooves 2 Seal Gland edges must not have any burrs or other damage 3 The edge of the seal glands are NOT to be heavily rounded k Seals i Do NOT...

Страница 10: ...tools h Vane Seal Installation i Install rubber vane seal energizer ii Install vane seal cap which has Earmuff shape 1 Vane cap MUST be a press fit into corresponding pockets on shaft 2 If necessary V...

Страница 11: ...side wall of groove 3 The O ring Item 24 installs into the same groove as Item 25 and MUST be on the inboard position and the groove 4 CRITICAL AFTER the seals are installed lightly coat the entire ex...

Страница 12: ...l vi GEN1 SB 18 Obsoleted Seal Versions 1 Older actuators may have different seals in them than shown above 2 The older actuators have improved shafts and these seals in them and are designated with a...

Страница 13: ...ssential to the proper performance of the actuator v Note Brushing a light layer of assembly grease petroleum jelly over seal onto head will help retain seals for installation in a later step k Head S...

Страница 14: ...ly tools c Assembly tool kit part numbers are identified in SECTION 7 d Differences between GEN1 SB 18 and the GEN2 SB 18 2 models are outlined below e Reference the Exploded View sheets in SECTION 7...

Страница 15: ...e The head dowel hole on the right side should be lower than the head dowel hole on the left side iv Place Dummy Head on top of body and line up the two opposing dowel holes v Insert BOTH Dummy Dowels...

Страница 16: ...with hole in it or spacer blocks is necessary at this step 1 The actuator assembly tools build the actuator on its side Therefore the shaft of the actuator protruding from the heads require either a...

Страница 17: ...Therefore take steps to prevent tool from being dropped and damaged by placing a towel or something similar under it vii Lower shaft until the vane comes to rest on the Dummy Head viii Verify the van...

Страница 18: ...aft Ends 1 Brush a LIGHT layer of assembly grease petroleum jelly into key slot in shaft The grease will hold the dummy key into place during assembly 2 Press Dummy Key Tool SK 4399 into slot in shaft...

Страница 19: ...lts 1 Apply medium strength thread locker to the ends of two 2 13 x 1 75 long head bolts and tighten each bolts lightly snug DO NOT fully torque bolts a NOTE Final Torque and remainder of bolt install...

Страница 20: ...dgehammer to pound dowel down into the hole 5 Use an air hammer with a round pointed end to finish driving dowel down into the hole such that the dowel is equal distance from protrusion of the head on...

Страница 21: ...actuator and manifold sitting upright on its mounting flanges on an even and flat surface slide manifold up to manifold boss on body 1 IMPORTANT The bottom of the manifold and actuator mounting bases...

Страница 22: ...sions 1 Reference the drawing of the support block sizing a Note The dimensions specified are based on assembling the actuator on a flat surface without a hole in the table 2 Alternatively the block c...

Страница 23: ...n into the body 1 The vane of the shaft MUST be turned such that it is angled away from the centerline of the shoe seal as it is lowered down into the body This positioning provides significant cleara...

Страница 24: ...T be slightly proud above the surface of the shaft vane use your thumb nail to verify the pads are above the surface of the vane ii GEN1 Actuators 1 Do NOT have bearing pads External disc shims are us...

Страница 25: ...ers from gap prior to completing the lowering of the head onto the body vii Install two 2 head bolts 1 Apply medium strength thread locker to the ends of two 2 of the 13 x 1 75 long head bolts and scr...

Страница 26: ...d upright on its mounting flange on the work surface 2 Grasp the end of the shaft and while supporting the assembly slide the support block out from under shaft and away 3 While still grasping shaft a...

Страница 27: ...rformance and likely failure 2 It is recommended that the dowel pins be frozen to 67 C to ease installation a Alternatively the dowel holes can be lubricated with oil 3 Place one dowel into dowel hole...

Страница 28: ...3 x 2 5 long manifold bolts insert into mounting holes and finger start each bolt v Tighten each bolt down in an alternating pattern vi Using a calibrated torque wrench torque all six 6 manifold mount...

Страница 29: ...9 7 REFERENCE INFORMATION AND SPECIFICATIONS a IDENTIFICATION i Assembly Part Item Numbers Generation 1 GEN1 and Generation 2 GEN2 1 GEN2 actuators have 2 milled in the side face under the shaft and l...

Страница 30: ...lies ii FLAT SHAFT END ACTUATORS 26 97 0348 BILL OF MATERIAL FLAT SHAFT ENDS ITEM QTY PART NUMBER DESCRIPTION 1 1 SK 4312 1 BROMMA DUMMY HEAD PLATE 2 2 26 12 0141 SHCS 1 2 13 X 1 1 4LG 3 1 SK 4318 PRO...

Страница 31: ...TY PART NUMBER DESCRIPTION 1 1 SK 4312 1 BROMMA DUMMY HEAD PLATE 2 2 26 12 0141 SHCS 1 2 13 X 1 1 4LG 3 1 SK 4318 PROTECTOR VANE SEAL 4 1 SK 5238 02 SHOE SEAL PROTECTOR BROMMA 5 2 A010152 PIN SB 18 DU...

Страница 32: ...JOURNAL SHAFT JOURNAL MAXIMUM MINIMUM MAXIMUM MINIMUM SB 18 GEN1 2 7776 in 2 7766 in 2 7732 in 2 7730 in 70 5510 mm 70 5256 mm 70 4393 mm 70 4342 mm SB 18 2 GEN2 2 7761 in 2 7766 in 2 7732 in 2 7730...

Страница 33: ...minute before check is started 3 The unit is tested in both directions 4 Note ALL vane type actuators will exhibit internal bypass It should never be expected to reach a zero internal bypass leak iv B...

Страница 34: ...e O ring seal if damaged If O ring seal shows signs of extrusion inspect CPR cartridge Extruded head seal between head and body Defective CPR cartridge allows excessive Pressure spikes leading to seal...

Страница 35: ...ove burr on edge leave corner sharp at top corner of seal cavity polish seal for slip fit to O D Inspect height of shoulder seal wavy springs if compressed flattened replace GEN2 Actuators o Inspect b...

Страница 36: ...OLD O RING SEAL 103CS BUNA 10 2 26 09 2844 HEAD SEAL O RING 103CS BUNA 11 1 26 11 3443 CPR CARTRIDGE 3625 psi 12 1 26 11 3474 MANIFOLD SB 18 13 1 26 11 3490 NAME PLATE BROMMA 7707 14 2 26 12 0138 SERI...

Страница 37: ...2752 SHOE SEAL CAP 10 28 26 12 2456 HEAD BOLT 1 2 13 1 75 LG Zn AL 11 1 26 09 2842 6 VANE SEAL CUSHION X 12 1 26 11 0344 NAME PLATE BROMMA 7747 13 2 26 12 0138 SERIAL TAG DRIVE SCREW 14 2 26 09 2844...

Страница 38: ...OLD O RING SEAL 103CS BUNA 10 2 26 09 2844 HEAD SEAL O RING 103CS BUNA 11 1 26 11 3443 CPR CARTRIDGE 3625 psi 12 1 26 11 3474 MANIFOLD SB 18 13 1 26 11 3494 NAME PLATE BROMMA 7712 14 2 26 12 0138 SERI...

Страница 39: ...L CAP 10 28 26 12 2456 HEAD BOLT 1 2 13 1 75 LG Zn AL 11 1 26 09 2842 6 VANE SEAL CUSHION X 12 1 26 11 0345 NAME PLATE BROMMA 7748 13 2 26 12 0138 SERIAL TAG DRIVE SCREW 14 2 26 09 2844 HEAD SEAL O RI...

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