Woodmizer SLR Guide

Shingle/Lap Sider

Safety, Operation, Maintenance, &

Parts Manual

SLR rev. F.00

Safety is our #1 concern! Read and understand

all safety information and instructions before oper-

ating, setting up or maintaining this machine.

Form #621

ii SLRdoc041901Table of Contents

Table of Contents Section-Page

SECTION 1 OPERATION 1-1

1.1 Installation and Setup .............................................................................1-2

1.2 Cutting Wood Shingles...........................................................................1-3

1.3 Cutting Lap Siding .................................................................................1-6

SECTION 2 REPLACEMENT PARTS 2-1

2.1 Shingle Lap Siding Option .....................................................................2-1

Operation

Operation SLRdoc041901 1-1

SECTION 1 OPERATION

The Shingle/Lap Siding Option (SLR) allows you to quickly saw tapered shingles or siding

with your Wood-Mizer sawmill. Read the instructions in this section completely before

operating the SLR.

See Figure 1-1. The major components of the SLR option are identified below.

FIG. 1-1

Shift Lever

Inner Half

Outer Half

Shingle Cam

Siding Lift Roller

Bed Rail Mount

with Clamp Bolts

Shingle Taper

Adjustment

Bolt

Siding Taper

Adjustment

Bolt

SM0091-1

Clamp Assembly

Operation

Installation and Setup

1-2 SLRdoc041901 Operation

1.1 Installation and Setup

1. Position the SLR on the mill bed with the mounting brackets around the front and rear bed

rails. The shift lever should be at the front end of the mill. Make sure the SLR frame is

lying flat on the bed rails. DO NOT tighten the clamp bolts on the bed rails. The clamp

bolts should only be tightened before towing the sawmill with the SLR attached.

2. Slide the SLR frame all the way over toward the inboard side of the sawmill bed until the

SLR stops touch the bed rail stop blocks.

See Figure 1-2.

FIG. 1-2

SLR stop

against

bed rail stop

ounting brackets

ositioned on bed rails

Shift lever

toward front

of sawmill

SM0091B

Operation

Cutting Wood Shingles

Operation SLRdoc041901 1-3

1.2 Cutting Wood Shingles

To cut tapered shingles, up to six wood blocks are clamped over each cam. The siding tilt

adjustment bolts are adjusted down to prevent the lifting rollers from tilting the SLR frame.

When the shift lever is thrown, the cams lift the back of each wood block. The shingle

taper adjustment bolt is used to control how much taper is sawn into the shingles.

1. Saw a log into a cant the width you want your shingles. The maximum width the SLR can

accept for shingles is 12” (304.8 mm). Use a chainsaw to cut the cant into blocks the

length you want your shingles. The minimum length the SLR can accept for shingles is

14” (350 mm). The maximum length for shingles is 24” (610 mm). To reduce the risk of

vibration causing the blocks to work loose from the clamps, a maximum block height of

12” (300 mm) is recommended.

2. Install the SLR to the sawmill bed (See Section 1.1).

3. Adjust the shingle taper adjustment bolt all the way out and throw the shift lever up.

4. Adjust the siding taper adjustment bolts clockwise until you can spin the siding lift rollers

by hand. The lift rollers should not tilt the SLR frame when the shift lever is thrown.

5. Adjust the clamps as close to the SLR frame as possible. This will insure the rear of the

blocks are positioned over the cams. Turn the clamp handles counterclockwise until each

clamp is all the way out.

See Figure 1-3.

FIG. 1-3

Adjust clamps

all the way out Siding taper

adjustment

bolts down

When sawing shingles, the

lift roller should not tilt SLR frame

when shift lever is thrown

SM0091-2

Shingle taper

adjustment bolt

all the way out

Setup for Shingles

Operation

Cutting Wood Shingles

1-4 SLRdoc041901 Operation

6. Position the first block in the front clamp assembly with the front edge of the block even

with the front edge of the clamp.

7. Slide the outer clamp half in until it contacts the block. Turn the clamp handle clockwise to

firmly clamp the block in position. Be sure the block is securely clamped so the block will

not come loose while being cut.

8. Repeat procedure to clamp remaining wood blocks.

See Figure 1-4.

FIG. 1-4

See

Detail

ETAIL

Align front of

block with

clamp

M0091-3

Operation

Cutting Wood Shingles

Operation SLRdoc041901 1-5

See Figure 1-5.

9. Before adjusting the SLR for the amount of shingle taper, push the shift lever down and

make a trim cut to level all of the blocks.

10. Move the blade to the top of the back edge of the first block. Raise the shift lever until the

block tilts to the desired taper. For example: if you want to cut shingles that are 1/8” on

one end and 5/16” on the other end, adjust the SLR for 3/16” taper (5/16”-1/8”=3/16”).

Adjust the shingle taper adjustment bolt until in contacts the shift lever linkage. Secure the

bolt in position with the jam nut.

11. Always follow all safety and operating procedures explained in the sawmill operator’s

manual when using the SLR.

12. Raise the shift leverand lowerthe blade the thickness of the thin end of the shingle. Make

a cut and return the carriage. Each shingle should match tapers to the setting you want. If

they don't, repeat Step 9 above.

13. Push the shift lever down and lower the blade the thickness of the thick end of the

shingle. Make a cut and return the carriage.

14. Repeat Steps 12 - 13 down to the heart of the cants. Unclamp the cants, flip 180° and rec-

lamp. Continue sawing down as low as the SLR clamps will allow.

FIG. 1-5

Lift shift lever

to tilt block

Shingle Taper

Adjustment Bolt

Measure

Taper

SM0091-5

Operation

Cutting Lap Siding

1-6 SLRdoc041901 Operation

1.3 Cutting Lap Siding

To cut tapered siding, a single cant is clamped in the SLR. The siding taper adjustment

bolts are adjusted up so the lifting rollers tilt the SLR frame. When the shift lever is

thrown, the SLR frame tilts sideways.

1. Saw a log into a cant the width you want your siding. The maximum width the SLR can

accept is 12” (304.8 mm). If necessary, use a chain saw to cut the cant to the length of

siding you want.

2. Install the SLR to the sawmill bed (See Section 1.1).

3. Adjust the shingle taper adjustment bolt to 1/4”. This will stop the shift lever when the lift

rollers reach their maximum height. Adjust the siding taper adjustment bolts all the way up

so they do not lift the SLR frame from the bed rails.

4. Adjust the clamps so the inner halves are inside the cams (used for shingles only). This

will insure the cams don’t contact the cant. Turn the clamp handle clockwise until the

clamp is inside the cams.

NOTE: To saw cants wider than 10”, the cams must be

adjusted out of the way. Be sure to mark each cam location

soitcanbereturnedtoitsoriginalpositionforsawingshin-

gles. If the adjustable clamps do not provide enough adjust-

ment to secure the cant, use wood spacers between the

cant and clamp.

See Figure 1-6.

FIG. 1-6

Adjust clamps

inside of cams Siding taper

adjustment

bolts up

When sawing siding, the

lift roller should tilt SLR frame

when shift lever is thrown

SM0091-6

Shingle taper

adjustment bolt

to 1/4"

Setup for Siding

Operation

Cutting Lap Siding

Operation SLRdoc041901 1-7

5. Position the cant so it is centered in the SLR frame.

6. Tighten the front clamp to secure one end of the cant. Slide the outer clamp half in until it

contacts the block. Turn the clamp handle clockwise to firmly clamp the block in position.

Be sure the block is securely clamped so the block will not come loose while being cut.

7. Repeat the procedure to clamp the rear of the cant.

See Figure 1-7.

FIG. 1-7

Center cant in SLR frame

nd clamp at front and rear

SM0091-4

Operation

Cutting Lap Siding

1-8 SLRdoc041901 Operation

See Figure 1-8. Determine the dimensions of the siding you want to cut.

See Table 1-1. The amount of taper is limited by how wide the cant is.

8. Before adjusting the SLR for the amount of siding taper, pull the shift lever up and make a

trim cut to level the cant.

FIG. 1-8

Width (C) Max. Taper (A - B)

4” 3/16”

6” 5/16”

8” 7/16”

10” 9/16”

12” 11/16”

TABLE 1-1

SM0253

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