Woodmizer TRB-S Guide

Surge Brake Trailer

Safety, Operation, Maintenance

& Parts Manual

TRB-S 1992 Model Sawmills

Safety is our #1 concern! Read and understand

all safety information and instructions before oper-

ating, setting up or maintaining this machine.

February 1999

Form #710

Table of Contents Section-Page

ii SB92doc041614 Table of Contents

SECTION 1 SAFETY & GENERAL

INFORMATION 1-1

SECTION 2 SURGE BRAKE HITCH OPERATION 2-1

SECTION 3 SURGE BRAKE HITCH MAINTENANCE 3-1

SECTION 4 PARTS LISTS 4-1

4.1 Trailer Hitch Assembly (LT25/LT30 Surge Brake).................................................. 4-1

4.2 Trailer Hitch Assembly (LT40/30HD/40HD Surge Brake) ...................................... 4-3

4.3 Trailer Axle Assembly (Surge Brake)....................................................................... 4-5

4.4 Outrigger Assembly (Long) ...................................................................................... 4-7

4.5 Outrigger Assembly (Short Front)............................................................................. 4-9

4.6 Outrigger Assembly (LT25/LT30/LT40 Short Rear).............................................. 4-11

4.7 Outrigger Assembly (LT30HD/LT40HD Short Rear) ............................................ 4-13

4.8 Outrigger Assembly (LT25L/LT40 /LT40HD Rear) .............................................. 4-15

4.9 Trailer Lights (Clip-on Tail Light Lens) ................................................................. 4-17

4.10 Log Loading Ramps (LT25/LT30/LT40)................................................................ 4-19

4.11 Outrigger Pin Hardware (3/4” Dia.) ........................................................................ 4-20

TOC

Safety & General Information

Safety & General Information SB92doc041614 1-1

SECTION 1 SAFETY & GENERAL

INFORMATION

This symbol calls your attention to instructions

concerning your personal safety. Be sure to

observe and follow these instructions. This

symbol accompanies a signal word. The word

DANGER refers to hazards that can cause

death or serious, irreversible personal injury.

The word WARNING suggests a safety hazard

that can cause personal injury. CAUTION

refers to hazards that can cause damage to the

equipment or property only.

Read all safety instructions before operating

this equipment and observe all safety warnings!

DANGER! Make sure hitch bracket is securely

fastened around ball before towing the sawmill.

Ball should be completely engaged by the hitch

bracket and securely locked in place.

DANGER! Do not use eyebolts for safety chain

hook-up. Safety chains should be hooked to

bumper of vehicle so that each chain would pull

the railer equally in the event the hitch became

disengaged.

DANGER! Be sure that the hitch and safety

chains are secure before towing the sawmill.

Check all lights and signals for correct opera-

tion. Check to see tires are properly inflated and

surge brakes are working before towing the

sawmill.

WARNING! Always check trailer tires for

proper inflation before towing sawmill.

CAUTION! Always keep away from tailer axle

to avoid being caught between the axle and

moving saw carriage.

IMPORTANT! It is always the owner's respon-

sibility to comply with all applicable federal,

state and local laws, rules and regulations

regarding the ownership, operation and towing

of your Wood-Mizer sawmill. All Wood-Mizer

mill owners are encouraged to become thor-

oughly familiar with these applicable laws and

comply with them fully while using or towing

the mill.

2-1 SBdoc041614 Surge Brake Hitch Operation

Surge Brake Hitch Operation

SECTION 2 SURGE BRAKE

HITCH OPERATION

1. Pull the mill behind the towing vehicle and

place the hitch over a 2" ball on your vehicle.

The hitch ball should be solid (not two-piece)

with a rating of at least 3500 pounds (1588 kg).

The hitch should be correctly mounted to the

towing vehicle so that it will be able to pull this

type of load.

2. Flip the locking handle upward, being sure the

bracket underneath firmly clamps around the

ball.

DANGER! Make sure hitch bracket is securely

fastened around ball before towing the sawmill.

Ball should be completely engaged by the hitch

bracket and securely locked in place.

See Figure 2-1.

3. Cross the safety chains underneath the hitch and

hook to the vehicle. The chains should be con-

nected so that there is still slack in the chains

when the vehicle is turned sharply in either

direction.

DANGER! Do not use eyebolts for safety chain

hook-up. Safety chains should be hooked to

bumper of vehicle so that each chain would pull

the trailer equally in the event the hitch became

disengaged.

4. Connect the surge brake activator cable to the

vehicle. This cable should be connected in case

the hitch becomes unhooked and the safety

chains fail. The surge brake activator cable

would then activate the braking mechanism.

There should be enough slack in the brake cable

that the brake won't engage until the safety

chains are stretched tight.

5. Connect the vehicle running lights to the saw-

mill pigtail. Check signals and brake lights.

6. Raise the front outrigger. Recheck that all loose

items are removed or secured (such as Resaw

Option, Shingle/Lapsiding Option, cant hooks,

etc.).

7. The hitch on the mill is adjustable. It should be

raised or lowered to let the mill travel horizontal

to ground level. Adjust by removing the two

mounting bolts. Then slide the hitch tube up or

down to new set of holes. Replace bolts and

nuts.

DANGER! Be sure that the hitch and safety

chains are secure before towing the sawmill.

Check all lights and signals for correct opera-

tion. Check to see tires are properly inflated and

surge brakes are working before towing the

sawmill.

FIG. 2-1

Surge Brake Hitch Maintenance

Surge Brake Hitch Maintenance SBdoc041614 3-1

SECTION 3 SURGE BRAKE

HITCH

MAINTENANCE

1. Clean and repack the trailer axle wheel bearings

with lithium grease every 12 months or 12,000

miles (19,308 km), whichever comes first.

2. Make sure that the trailer tires are correctly

inflated to the pressure shown on the tire.

WARNING! Always check trailer tires for

proper inflation before towing sawmill.

3. Surge Brakes

Check the brakes before towing the sawmill.

Jack up the outriggers so that the trailer wheels

do not touch the ground. Spin each wheel by

hand. The wheel should spin with a slight

amount of drag against the brake drums. If the

wheel spins freely, the brakes should be

adjusted.

See Figure 3-1. To adjust the brakes, remove

the oval shaped plug from the access hole on the

inside of each wheel.

Place a standard screwdriver through the access

hole and underneath the adjustment sprocket.

Catch the bottom of the sprocket with the

screwdriver and pry upward to turn the

sprocket. Remove the screwdriver and spin the

wheel. Adjust the sprocket until the wheel just

starts to drag against the brake drum. Replace

the plug. Repeat for the other wheel.

FIG. 3-1

4-1 SB92doc041614 Parts Lists

Parts Lists

Trailer Hitch Assembly (LT25/LT30 Surge Brake)

SECTION 4 PARTS LISTS

4.1 Trailer Hitch Assembly (LT25/LT30 Surge Brake)

REF DESCRIPTION (Indicates Parts Available In Assemblies Only) PART # QTY.

HITCH ASSEMBLY,SURGE BRAKE TRAILER A10405 1

1Hitch Mount (W/O Spacer Blocks), Surge Brake Trailer W09828 1

Hitch Mount (With Spacer Blocks), Surge Brake Trailer W10404 1

2Actuator, Dico Surge Brake Hitch P09840 1

Bolt, Surge Brake Latch P10119 1

Bracket, Surge Bracke Latch (Lever Hitch) P12816 1

Bracket, Surge Brake Latch (Wheel Hitch) P10121 1

Spring, Surge Brake Latch (Lever Hitch) P12814 1

Spring, Surge Brake Latch (Wheel Hitch) P10122 1

3Cable Assembly, Surge Brake Safety (Lever Hitch) P12815 1

Cable Assembly, Surge Brake Safety (Wheel Hitch) P10117 1

4Hook, Surge Brake Safety Cable P10118 1

Damper, Surge Brake P10124 1

Fitting, Surge Brake Hitch Line P10370 1

5Bolt, 1/2-13 X 4 1/2" Hex Head Grade 5 F05008-35 2

6Nut, 1/2-13 Hex Nylon Lock F05010-8 2

7 BOLT, 1/2-13 X 5 1/2" HEX HEAD GRADE 5 F05009-11 2

8 NUT, 1/2-13 HEX LOCK F05010-4 2

TOWING EXTENSION KIT (NOT SHOWN, OPTIONAL) K12571 1

Bolt, 5/8-11 x 2 1/2" Hex Head Grade 5 F05009-20 2 

Washer, 5/8" Split Lock F05011-27 2

Washer, 5/8" SAE Flat F05011-5 2

Bracket, Safety Chain Bumper S12289-N 2 

Nut, 5/8-11 Free Hex F05010-5 2

Parts Lists

Trailer Hitch Assembly (LT25/LT30 Surge Brake)

Parts Lists SB92doc041614 4-2

FIG. 4-1

4-3 SB92doc041614 Parts Lists

Parts Lists

Trailer Hitch Assembly (LT40/30HD/40HD Surge Brake)

4.2 Trailer Hitch Assembly (LT40/30HD/40HD Surge Brake)

REF DESCRIPTION (Indicates Parts Available In Assemblies Only) PART # QTY.

HITCH KIT, SURGE BRAKE TRAILER K10403 1

1Hitch Mount (W/O Spacer Blocks), Surge Brake Trailer W09827 1

Hitch Mount (With Spacer Blocks), Surge Brake Trailer W10401 1

2Actuator, Dico Surge Brake Hitch P09840 1

Bolt, Surge Brake Latch P10119 1

Bracket, Surge Bracke Latch (Lever Hitch) P12816 1

Bracket, Surge Brake Latch (Wheel Hitch) P10121 1

Spring, Surge Brake Latch (Lever Hitch) P12814 1

Spring, Surge Brake Latch (Wheel Hitch) P10122 1

3Cable Assembly, Surge Brake Safety (Lever Hitch) P12815 1

Cable Assembly, Surge Brake Safety (Wheel Hitch) P10117 1

4Hook, Surge Brake Safety Cable P10118 1

Damper, Surge Brake P10124 1

Fitting, Surge Brake Hitch Line P10370 1

5Bolt, 1/2-13 X 4 1/2" Hex Head Grade 5 F05008-35 2

6Nut, 1/2-13 Hex Nylon Lock F05010-8 2

7Spring, Outrigger Pin P04282 1

1 Outrigger pin and hardware replaced with 3/4” diameter pin and hardware 10/98. Hitch assembly includes updated outrig-

ger pin parts (See Section 4.11).

8Washer, 9/16" SAE Flat F05011-8 12

Pin Kit, Outrigger Pull A12232 11

9Pin, Outrigger Pull S12261 11

10 Pin, 5/16" x 2 1/2" Roll F05012-47 11

11 Pin, 1/8" x 1" Cotter F05012-1 11

12 LEG, OUTRIGGER W07537 1

13 Cap, Outrigger Leg P09926 1

14 BOLT, 1/2-13 X 5 1/2" HEX HEAD GRADE 5 F05009-11 2

15 NUT, 1/2-13 HEX LOCK F05010-4 2

TOWING EXTENSION KIT (NOT SHOWN, OPTIONAL) K12571 1

Bolt, 5/8-11 x 2 1/2" Hex Head Grade 5 F05009-20 2 

Washer, 5/8" Split Lock F05011-27 2

Washer, 5/8" SAE Flat F05011-5 2

Bracket, Safety Chain Bumper S12289-N 2 

Nut, 5/8-11 Free Hex F05010-5 2

Parts Lists

Trailer Hitch Assembly (LT40/30HD/40HD Surge Brake)

Parts Lists SB92doc041614 4-4

FIG. 4-2

4-5 SB92doc070517 Parts Lists

Parts Lists

Trailer Axle Assembly (Surge Brake)

4.3 Trailer Axle Assembly (Surge Brake)

REF DESCRIPTION (Indicates Parts Available In Assemblies Only) PART # QTY.

AXLE ASSEMBLY, 3500# NON-BRAKE 014684 1

1Frame, Trailer Axle W09751 1 

Mount Bracket, Trailer Fender W09784 2

2Axle, 3500 Lb With Springs And Surge Brakes P09772 1

3Spring, 2000lb Dexter Leaf Idle Side Rpl P09612 1

4Spring, 2500lb Dexter Leaf Drive Side 014586 1

Bearing Kit, Sawmill Axle Spindle K07549 1

5Bearing Cone Assembly, Small (L44649) P22573-1 1 

6Bearing Cone Assembly, Large (L68149) P22572-1 1 

7Bearing Cup, Large (L68111) P22572-2 1 

8Bearing Cup, Small (L44610) P22573-2 1

9Seal, 13" Wheel Bearing Dust P07554 1

Kit, Brake Shoe Surge 10" X 2 1/4" 010180 2

10 Cap, Trailer Axle Dust P04493 2

11 Tire/Wheel Assembly, ST215/75R14 015987 1

1 Use for LT25 Rev. C6.00, LT30 Rev. G3.00 and LT40 Rev. G4.00 and later.

Tire/Wheel Assembly, LT185R14 D Tire 014677 2

2 Use for mills prior to LT25 Rev. C6.00, LT30 Rev. G3.00 and LT40 Rev. G4.00 or upgrade both wheel assemblies to

015987 to ensure proper mill tracking (the wheel types have slightly different diameters).

12 Plate, Axle Shackle Link Ptd M07528 4

13 Bolt, 9/16-18 P04644 6

14 Nut, 9/16-18 Lock P04643 6

15 Nut, 1/2-20 Lug P04646 10

16 BOLT, 1/2-13X4 HEX HEAD F05008-26 4

17 WASHER, 1/2 STAR ET F05011-39 4

18 WASHER, 1/2" SAE FLAT F05011-2 4

19 NUT, 1/2-13 HEX NYLON LOCK F05010-8 4

20 FENDER, TRAILER WHEEL W11452 2

21 DECAL, FENDER DAMAGE CAUTION S11761 2

22 PIN, 5/16X1 DETAINING F05012-45 2

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