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Parker Hannifin Corporation

Helac/Cylinder Division

Enumclaw, Washington USA

www.helac.com

PowerTilt Tilting Coupler

PT-4.5 Service & Repair Manual

HY34-1370 

Drawings & Parts List

Parts List

PT-4.5 Exploded View

PARTS

Item 

Description  

Quantity

01.......... Housing ...........................................................1

02.......... Shaft ................................................................1

03.......... Piston Sleeve ..................................................1

04.......... End Cap ..........................................................1

6.1......... Torque Foot .....................................................1

6.2......... Idler Foot .........................................................1

106........ Plugs (BSPP 1/8) ............................................2

107........ Grease Relief Cover........................................2

109........ Dowel Pin ........................................................2

111 ........ Grease Fitting..................................................2

112 ........ Grease Relief ..................................................2

113 ........ Screw ..............................................................6

114 ........ Screw ..............................................................8

115 ........ Washer ............................................................8

401........ Valve ...............................................................1

409........ Screw ..............................................................1

410........ Spacer. ............................................................1

411 ........ Nut ...................................................................1

412........ Lock Plate .......................................................1

421........ Bushing ...........................................................2

SEAL KIT 

Sold as “kit” only

Item 

Description  

Quantity

200........ T-Seal ............................................................. 1

202........ T-Seal ............................................................. 1

204........ O-Ring ............................................................ 1

205........ Cup Seal ........................................................ 2

206........ O-Ring ............................................................ 2

207........ Back-Up Ring ................................................. 1

208........ O-Ring ............................................................ 2

BEARING KIT

Sold as “kit” only

Item 

Description  

Quantity

302........ Bearing ........................................................... 2

304........ Thrust Washer ................................................ 2

4X

410

2X

302

2X

304

409

114

115

412

6.1

113

421

02

208

206

208

205

106

401

01

200

03

204

207

302

205

304

206

04

8X

113

112

421

411

109

2X

202

2X

107

2X

6.2

2X

111

Summary of Contents for Helac PowerTilt PT-4.5

Page 1: ...PowerTilt 4 5 Service and Repair Manual ...

Page 2: ... For additional information on maintaining servicing or repairing the PT 4 5 please contact Parker Helac Phone 360 825 1601 Fax 360 825 1603 E Mail attachments helac com Web www helac com PT 4 5 Specifications Weights may vary depending on model size Approximate weights for PTA and PTB Series do not include mounting brackets or couplers Actual rotation may vary slightly Max Machine Weight Approxim...

Page 3: ... 5 Assembly Drawing 2 01 51 0 4X 4 69 00 04 119 0 0 0 1 0 24 6 0 4X 7 60 06 192 9 1 5 A 1179 1 G1 4 SIDE OSITE RT P2 SECTION A A 409 114 115 421 412 02 304 206 208 205 302 200 202 03 302 205 208 206 304 410 411 421 04 01 204 207 401 1 2 3 ECO REV DESCRIPTION REVISIONS PERFORMANCE SPECIFICATIONS 8 200 930 INITIAL RELEASE PER ET 3309 0 9112 RATED DRIVING TORQUE in lb N m ...

Page 4: ... 2 109 Dowel Pin 2 111 Grease Fitting 2 112 Grease Relief 2 113 Screw 6 114 Screw 8 115 Washer 8 401 Valve 1 409 Screw 1 410 Spacer 1 411 Nut 1 412 Lock Plate 1 421 Bushing 2 SEAL KIT Sold as kit only Item Description Quantity 200 T Seal 1 202 T Seal 1 204 O Ring 1 205 Cup Seal 2 206 O Ring 2 207 Back Up Ring 1 208 O Ring 2 BEARING KIT Sold as kit only Item Description Quantity 302 Bearing 2 304 T...

Page 5: ...drill bit drill a hole in the center of each lock pin to a depth of approximately 9 5 mm Remove the lock pins using a screw extracting tool Insert two appropriately sized screws and service pins in the grease ports Unthread the end cap 4 by turning it counterclockwise using a pry bar Remove the end cap and set aside for inspection 4 Rotate the shaft 2 and piston sleeve 3 so both components are flu...

Page 6: ...g or denting the inside of the housing bore 8 Remove all seals bearings and thrust washers from the end cap 4 shaft 2 piston sleeve 3 and housing 1 Note their order and orientation to aid assembly shaft it must remain in the housing so that gear timing marks can be located in Step 5 5 Locate the timing marks on the piston sleeve 3 gearing and shaft 2 Every PowerTilt has two sets of small punched t...

Page 7: ...tall all the seals bearings and thrust washers on the end cap 4 piston sleeve 3 shaft 2 and housing 1 Refer to the Assembly Drawing on Page 2 and PT 4 5 Exploded View on Page 3 for correct locations and orientations 4 Carefully insert the piston sleeve 3 into the housing 1 until it contacts the housing ring gear Rotate the piston sleeve until the timing marks applied to the piston and housing duri...

Page 8: ...of rotation in the opposite direction Repeat the test procedure outlined above for the other port If there is an internal leak disassemble inspect and repair Greasing Testing After the actuator is assembled but before it is put into service the thrust washer area must be packed with Lithium grease 1 There are two grease ports located on both the shaft flange and the end cap They are plugged with c...

Page 9: ...anual HY34 1370 Install Quick Coupler 1 Install coupler on PowerTilt Insert 8 ea M10 screws 114 with washers 115 through lock plate 412 and torque to 68 Nm 50 ft lbs 2 Insert screw 409 1 tie rod bolt through center of PowerTilt from the torque foot end install spacer 410 and lock nut 411 and torque to 920 Nm 680 ft lbs Install Quick Coupler ...

Page 10: ...ve dust or prolonged submersion in water may require more frequent grease applications 2 Make sure the grease reliefs are functioning properly Open or replace non functioning grease reliefs immediately NOTICE Never replace the grease relief valves with grease fittings or plugs NOTICE Do not operate the PowerTilt if the grease reliefs are not functioning 1 Check shaft end play When the end play exc...

Page 11: ...n or altered by persons not authorized by Helac Corporation or which have been subject to misuse misapplication negligence accident overload field alteration severe use or service applications beyond what the Helac Attachment was designed to perform In no event shall Helac Corporation be liable for any incidental or consequential damages or claims including but not limited to the application in wh...

Page 12: ...Parker Hannifin Corporation Helac Cylinder Division 225 Battersby Avenue Enumclaw WA 98022 USA phone 360 825 1601 fax 360 825 1603 www helac com 11 17 HY34 1370 ...

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