Woodland Mills HM122 User manual

BULLETIN: POST SLEEVE
BUSHINGS
ASSEMBLY INSTRUCTIONS
PSBR-MY2020-EN: Rev A Publication Date: 29-Jul-2020
Sawmill Post Sleeve Bushing Replacement

Post Sleeve Bushing Replacement
Most Sawmill Models
TABLE OF CONTENTS
TABLE OF CONTENTS 1_______________________________________
COMPATIBILITY 2_____________________________________________
VARIANTS 2__________________________________________________
DISASSEMBLY 3______________________________________________
RAISE SAWHEAD 3_________________________________________
REMOVE ADJUSTABLE BLADE GUIDE 4________________________
REMOVE BLADE GUARD—HM126 & HM130MAX 4_______________
REMOVE BLADE GUARD—HM122 5____________________________
REMOVE GUIDE ARM—HM122, HM126 & HM130MAX 6___________
REMOVE GUIDE ARM—HM130 7_______________________________
REMOVE CARRIAGE—HM130MAX 9____________________________
REMOVE OLD POST SLEEVE BUSHINGS 10____________________
INSTALLATION 11_____________________________________________
ASSEMBLE UPPER POST SLEEVE BUSHINGS 11________________
ASSEMBLE LOWER POST SLEEVE BUSHINGS 12________________
FULLY TIGHTEN HARDWARE 14________________________________
ABG CALIBRATION—HM130MAX 15_____________________________
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Post Sleeve Bushing Replacement
Most Sawmill Models
COMPATIBILITY
The new U-shaped nylon bushings are designed to work with the following sawmill models:
Eight (8) bushings are required for each sawmill—four (4) per post sleeve.
VARIANTS
There are two bushing variants depending on the sawmill carriage post dimensions:
Sawmill Model
Model Years
Bushing Compatible?
HM122
2019 & Earlier
No
2020 & Newer
Yes
HM126
2015 & Earlier
No
2016 & Newer
Yes
HM130
2019 & Earlier
Yes
HM130MAX
2020 & Newer
Yes
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80 X 50 MM RECTANGULAR POSTS
HM130 & HM130MAX SAWMILLS
50 X 50 MM SQUARE POSTS
HM122 & HM126 SAWMILLS

Post Sleeve Bushing Replacement
Most Sawmill Models
DISASSEMBLY
RAISE SAWHEAD
Raise the sawhead up high enough to access the lower post sleeve bushings. Do not raise it all
the way to the top otherwise there will not be sufficient room to access the upper bushings.
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Post Sleeve Bushing Replacement
Most Sawmill Models
REMOVE ADJUSTABLE BLADE GUIDE
**If the sawmill does not utilize an adjustable blade guide, skip this section and proceed
to section, REMOVE OLD POST SLEEVE BUSHINGS, on Page 10.**
To gain access to the lower post sleeve bushings and hardware on sawmills with adjustable
blade guides (ABG), part or all of the ABG will need to be removed depending on the sawmill
model.
REMOVE BLADE GUARD—HM126 & HM130MAX
On 2020 and newer HM126 or HM130MAX sawmills with an ABG, remove the yellow blade
guard by unthreading the knob in the front.
Then tilt the guard up and remove it from the sawmill.
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Most Sawmill Models
REMOVE BLADE GUARD—HM122
On 2020 and newer HM122 sawmills with an optional ABG, remove the yellow blade guard by
unthreading the knob in the front.
Pull the guard out until the large hole at the end of the slot on the back of the guard aligns with
the screw and nylon washers. Tilt the guard under the blade and remove it from the sawmill.
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Align hole in end
of slot with screw

Post Sleeve Bushing Replacement
Most Sawmill Models
REMOVE GUIDE ARM—HM122, HM126 & HM130MAX
On 2020 and newer sawmills, remove the arm by first disassembling the handle.
Then slide the arm assembly out towards the throat opening in the sawmill.
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Post Sleeve Bushing Replacement
Most Sawmill Models
REMOVE GUIDE ARM—HM130
On 2019 and earlier HM130 sawmills, the aluminum guide arm needs to be removed.
Open the band wheel housing doors and remove the blade.
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Post Sleeve Bushing Replacement
Most Sawmill Models
Remove the M10 X 25 mm bolt and jam nut from the end of the guide arm and slide the guide
block holder assembly out.
Loosen the locking handle and slide the arm out the right side of the sawmill.
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