6K Products DH0614 Guide

OPERATION AND PARTS MANUAL
DH0614 21G24 Simple Saw System
Information subject to change without notice.

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SAFETY PRECAUTIONS
⇒The unit you have purchased may require you to install additional guarding to meet State and
Federal safety requirements.
⇒Do not move the log when it is being cut or when the saw is down. This action may damage the
bar, chain or other components or could cause bodily harm or injury.
⇒The log must be clamped before cutting. The bar, chain or other components could be damaged.
You could suffer bodily harm or injury.
⇒Do not make repairs or adjustments to this product other than those listed in this manual except
when directed to do so by 6K Products.
⇒All persons working near this machine must wear eye protection and hearing protection.
⇒Use extreme caution around the cutting chain. It is sharp and may cause bodily harm or injury.
⇒Petroleum products are used with this product. Use appropriate caution when operating or
servicing. These products are flammable and may cause eye or skin irritation.
⇒Always use 6K Products approved parts when making repairs. Replacement parts must meet or
exceed the specifications of the original equipment manufacturer.
⇒The information in this manual is subject to change without notification.
⇒This manual is intended for safe operation and maintenance of the 6K Products, 21G24 Simple
Saw System. 6K Products, welcomes any and all suggestions on how to improve this manual or the
21G24 Simple Saw System.

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Table of Contents
Cover page ....................................................................................................................................................................... 1
Safety Precaution ......................................................................................................................................................... 2
Table of Contents ......................................................................................................................................................... 3
Introduction.................................................................................................................................................................. 4
Warranty....................................................................................................................................................................... 4
Installation.................................................................................................................................................................... 4
Hydraulic Connections.................................................................................................................................................. 6
Chain Tension and Sharpening ..................................................................................................................................... 7
Sprocket Removal and Replacement............................................................................................................................ 8
Bar Oil Pump Adjustment ............................................................................................................................................. 9
Operating Instruction ................................................................................................................................................. 10
Parts and Service Information .................................................................................................................................... 10
Main Sub Assembly Parts ........................................................................................................................................... 11
Simple Saw Assembly Parts ........................................................................................................................................ 12
Bar Oil Pump Assembly Parts ..................................................................................................................................... 13
Bar Oil Tank Assembly Parts ....................................................................................................................................... 14

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Introduction
Thank you for purchasing a 6K Products product. Our goal is to provide quality products for your job. This manual
contains warranty information, installation information, operation instructions, parts ordering information, and
service contact information.
Warranty
This 6K Products product carries a one year or 2000 hour warranty on the 6K Products designed and built
components covering material and workmanship. Purchased components carry the manufactures warranty. This
warranty does not cover normal wear from use, damage from abuse or misuse, damage from contamination,
damage from natural disasters, fire damage or incorrect installation. This warranty does not cover labor to remove
and replace parts, shipping and handling of parts, or shipping and handling for items returned for repair. If any
component fails you must contact 6K Products at [phone] before doing any repair work. We will provide
assistance to obtain warranty from other manufactures on their components.
Installation
You will receive one box containing all the parts (Fig. 1). You will need to reassembly the saw unit as shown in
figure 2.
Fig. 1
Fig. 2

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After assembling the components as shown in figure 2, position the saw bar square to the log, at the correct height
with clearance between the bar plate and the side of the largest log and weld down solidly (Fig. 3). The dimensions
in figure 3 can be changed as required for your installation. Position the bar oil pump above the bar plate port when
retracted, and below the bar oil tank with the bar oil tank positioned so it is easy to clean and fill. You will need to
fabricate and position a lever to feed the saw through the cut and return it to the retracted position. You will need
to make guarding to protect the operator from sawdust and touching the chain.
Fig. 3

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Hydraulic Connections
The hydraulic requirements to operate the saw are 19 to 22 gallons per minute at 2000 psi from a fixed
displacement hydraulic pump. You must install the pressure relief valve between the hydraulic pump and the
selector valve to keep from damaging the hydraulic pump. Figure 4 shows hose connections for correct operation.
Fig. 4

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The Power Beyond Port can connect to another valve for conveyor and clamp, or must go to the filter and tank. The
return hose can be #12 or 3/4” diameter for the first six feet if a longer hose is required it must be #16 or 1” up to
twenty feet. If the total return hose length is greater than thirty three feet #20 or 1 1/4” hose should be used. The
filter must be rated for 26 GPM plus any additional pump flowing into it. The saw motor should run between 4000
RPM and 5500 RPM. At this speed the pressure at the return to filter connection should not exceed 80 psi when the
saw motor is running. We do not recommend using quick disconnects but if you choose to use quick disconnects in
the tank line, first consult the manufacture to determine the correct size to keep the back pressure low enough in
cold temperatures. Failure to properly size the hose and filter or properly connect the return hose to a filter and
tank will shorten the motor shaft seal life and will not be covered by warranty.
Chain Tension and Sharpening
Figure 5 shows the chain tensioning screw. A #2 or #3 Phillips screwdriver is required to turn the tension screw. With
the supplied saw bar, correct tension is when the cutters come off the rails roughly 1/8” with a tug of finger
pressure. Refer to the Oregon Mechanical Timber Harvesting Handbook for more tensioning information and
sharpening information.
Fig. 5

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Sprocket Removal and Replacement
The chain saw sprocket is connected to the shaft with a tapered bushing. To remove the sprocket remove the Cap
Screws (Fig. 6, Item 3) and screw them into the Threaded Holes, tighten up to 36 inch pounds to push the Sprocket
(Fig. 6, Item 1) off the Bushing (Fig. 6, Item 2). You may need to tap the Sprocket towards the motor with a hammer
to assist in getting the Sprocket loose from the Bushing. Lightly drive a flat blade screwdriver into the slot of the
Bushing.
Pry between the Bushing and the Sprocket to get the Bushing off the shaft. Watch that the Drive Key (Fig. 6, item 4)
does not get lost.
To install the Sprocket, slide the Sprocket (Fig. 6, item 1) over the motor shaft, slide the Bushing (Fig. 6, item 2) onto
the shaft with the Drive Key (Fig. 6, item 4) aligned. Position the sprocket groove offset towards the motor about the
width of the bar groove with the Bushing just contacting the Sprocket. Insert the Cap Screws (Fig. 6, item 3) through
the large hole in the Bushing and screw them into the threaded holes of the Sprocket. Torque the Cap Screws (Fig. 6,
item 3) to 36 inch pounds. Check to make sure the sprocket groove is aligned with the bar groove. If the alignment is
not correct, remove and replace the sprocket and bushing and adjust the position before tightening the cap screws.
Fig. 6

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Bar Oil Pump Adjustments
The DH0144 bar oil pump (Fig. 7) is a single acting pump that can pump up to 32 cc, or 1.08 oz., of bar oil per cycle,
enough for about 30 seconds of cutting. There is a hose connected to the selector valve manifold (Fig. 4, P4 page 6)
that connects to the fitting (Fig. 7, hydraulic pressure in) on the bar oil pump. When a cut is started flow and
pressure from the manifold pushes on the pumping rod and piston to force a metered amount of oil to the bar. Very
little rotational adjustment is needed for the metering valve in Figure 7. Turning it clockwise reduces the speed oil is
pumped and turning it counterclockwise increases the speed the oil comes out. If you run the tank out of oil you
may need to prime the pump. To prime the pump remove the barrel nut and pull out the pumping chamber,
pumping piston, and pumping rod. Fill the barrel with bar oil up to the vent hole. Reinstall the pumping rod
assembly into the pumping chamber with care to not damage the rod seal. Reinstall the pumping chamber and
pumping rod assembly into the barrel, with care to not damage the piston or the O-Ring, and retighten the barrel
nut. To reduce the chance of seal damage make sure the seals are oiled and wiggle in a circular motion as you push
the parts together.
Fig. 7

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Operating Instructions
Before, and periodically during, operation you must check the bar oil level and chain tension. We recommend using
a good quality bar oil of the correct viscosity for your areas operating temperatures. Because of the wide
temperature range between winter and summer two different viscosity oils may be required. Tension the chain as
described on page 7. The log being cut must be clamped prior to sawing. Lowering the saw bar will allow the selector
valve to shift starting the saw chain and pumping bar oil. Returning the saw to the up stop will stop the saw chain
and reset the bar oil pump.
Parts and Service Information
For parts and service contact 6K Products. Our hours of operation are 8:00 AM to 4:30 PM, Monday through Friday,
Pacific Time excluding holidays.
Phone: [phone]
Fax: [phone]
Email [e-mail]
Mail and shipping address:
6K Products
1006 143rd Ave. S.E.
Tenino, WA 98589

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MAIN SUB ASSEMBLIES
ITEM No. QTY. PART No. DESCRIPTION REMARKS
1 1 DH0636 21G SIMPLE SAW ASSEMBLY
2 1 DH0144 BAR OIL PUMP ASSEMBLY
3 1 DH0152 BAR OIL TANK ASSEMBLY
4 1 VH0014 3/4 NPT 2000 PSI RELIEF VALVE
5 1 HH0822 #12 JIC SWIVEL RUN TEE
6 1 HH0947 TUBE REDUCER FM JIC TO M JIC, 892-12-4
7 1 DH0634 24" #12 MOTOR HOSE ASSEMBLY
8 1 DH0066 HARVESTER BAR, 75 CM
9 1 DH0055 SAW CHAIN, 80 GAUGE, 89 DRIVE LINKS

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DH0636 SIMPLE SAW ASSEMBLY

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DH0144 BAR OIL PUMP ASSEMBLY

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DH0152 BAR OIL TANK ASSEMBLY