background image

Figure 8. T-30 Torx screws on knife clamp.

Torx Screw

(1 of 8)

Figure 6. Pulley area components.

Chain Tensioner Assembly

Sprocket

Chain

Cutterhead Pulley

Figure 7. Cutterhead lock lever.

Cutterhead 

Lock Lever

Figure 9. Gearbox attachment screws.

-3-

D4934 13" Helical Cutterhead Instructions

15. Press cutterhead lock lever down to allow 

cutterhead to rotate (see 

Figure 7).

11. Remove depth adjustment crank handle 

(see 

Figure 2 on Page 2).

12. Remove pulley cover.

13. Remove chain tensioner assembly (see 

Figure 6).

14. Remove sprockets and chain (see Figure 6).

16. Remove drive belt by slowly rotating 

cutterhead pulley counterclockwise and 

pulling belt off. Use rear roller to secure 

belt after removal.

17. Cover table under cutterhead carriage with 

scrap cardboard to protect surface from 

dropped parts/tools.

18. Press cutterhead lock lever and rotate 

cutterhead until T-30 Torx screws are 

visible on knife clamp (see 

Figure 8).

19. Remove screws securing knife clamp.

 

Note: T-30 Torx driver included with 

DW735/X has magnets built into handle.

20. Attract knife clamp with magnet and 

remove.

21. Attract knife with magnet and remove.

22. Repeat Steps 18–21 until all (3) knives have 

been removed from cutterhead.

23. Remove cutterhead lock lever.

 

Note: Cutterhead lock lever has a spring 

underneath that is hidden from view.

24. Remove gearbox attachment screws (see 

Figure 9).

Summary of Contents for D4934

Page 1: ...ours Read these instructions thoroughly before beginning These instructions make reference to many procedures detailed in your planer manual Always consult your manual for these procedures We strongly recommend using the new replacement bearings included with the D4934 even if the existing bearings appear to be in good condition Call Technical Support at 360 734 3482 if you need help Recommended T...

Page 2: ...utterhead 1 DISCONNECT MACHINE FROM POWER 2 Use T 30 Torx driver included with DW735 X to remove screws holding top cover see Figure 2 3 Remove red wing nuts holding dust shroud and set aside see Figure 3 4 Rotate dust shroud away from cutterhead so alignment arrow on fan housing aligns with OPEN line on dust shroud as shown in Figure 4 5 Pull dust shroud away from fan housing and remove CAUTION C...

Page 3: ...wly rotating cutterhead pulley counterclockwise and pulling belt off Use rear roller to secure belt after removal 17 Cover table under cutterhead carriage with scrap cardboard to protect surface from dropped parts tools 18 Press cutterhead lock lever and rotate cutterhead until T 30 Torx screws are visible on knife clamp see Figure 8 19 Remove screws securing knife clamp Note T 30 Torx driver incl...

Page 4: ... speed selector switch to speed 2 26 Pull gearbox out and rest it on planer mount Note Gearbox speed selection rod and positioning pin will prevent gearbox from being completely removed from planer Secure gearbox to planer with tape or rope to prevent it from shifting during disassembly 27 Insert a wood board at least 12 in length between cutterhead and cutterhead carriage see Figure 11 Verify cut...

Page 5: ...r dirt 3 Lower cutterhead into carriage while guiding threaded end through right bearing bore see Figure 16 4 Install 5 16 18 x 2 hex bolt into helical pinion gear threads 5 Seat 6202 2NSE ball bearing into left bearing bore using hex bolt as an alignment guide 6 Use 31mm deep well socket or wood block to gently tap bearing into bore until retaining ring groove is visible and bearing is flush with...

Page 6: ...e install 24mm hex nut onto cutterhead pulley 14 Remove hex bolt and install helical pinion gear 15 Remove wood board 16 Remove drive belt cover located on right side see Figure 19 and verify that drive belt is centered on drive wheel 17 Gently stretch drive belt over cutterhead pulley while slowly rotating pulley clockwise until belt is centered Note Drive belt and pulley wheels have grooves alon...

Page 7: ...l sprockets and chain on front and rear rollers see Figure 22 27 Re attach spring to chain tensioner Verify tensioner is engaged with chain as shown in Figure 22 28 Re install retaining rings on front and rear rollers see Figure 22 29 Re install gearbox cover 30 Re install sprockets and chain on front and rear rollers in pulley area see Figure 23 31 Re install chain tensioner and re attach spring ...

Page 8: ...d cutterhead will slightly raise the insert making noticeable marks on your workpieces the next time you plane 6 Lubricate Torx screw threads with a light machine oil wipe excess oil off threads and torque screw to 48 50 inch pounds 7 Return planer to its original configuration by performing Steps 33 38 of Installing Helical Cutterhead instructions Accessories D4297 Indexable Carbide Inserts 10 pa...

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