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Graco Manzel DSL 256929 [2/4] Dsl lubricators
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Manzel
®
DSL Lubricators
Page 2
L51050
DESCRIPTION
DSL Box Lubricators feature heavy-duty precision metering pumps
capable of accurately delivering small flows of either mineral or
synthetic oil to machinery injection points. The single-piston pump is
mechanically driven from a common camshaft in the reservoir and is
adjustable from 2.0 to 6.25 drops per stroke. The 18 drive options
provide many variations to suit the application.
The pump’s maximum pressure is 3,000 psi. All working parts are
totally enclosed away from dirt, water, and impurities and self-
lubricated at all times by the fluid in the watertight reservoir.
DSL Pumps are rugged, heavy duty units. The pump cylinder housing
is a precision machined casting fitted with an alloy steel piston.
PUMPS FEATURES / BENEFITS
• Rugged construction for high performance and durability
• Easy serviceability-pumps can be added or replaced quickly
• Pump output is easily adjustable
OPERATION
Pumps With Drip Tube
Rotation of the lubricator cam actuates the pump rocker arm
assembly to operate the pump piston. On the piston downstroke,
spring pressure is exerted on the piston causing it to follow the cam.
As it moves down, a pressure reduction (vacuum) is created bet ween
the piston and the outlet check valve and the valve closes. The supply
inlet shutoff check is then unseated and lubricant is drawn into the
piston cylinder from the sight well.
This creates a pressure reduction (vacuum) in the air tight sight well
that causes lubricant from the reservoir to be drawn into the well
until pressure is equalized. On the piston up-stroke, the oil in the
cylinder is in jected out through the discharge check valve to the
machine injection point. The number of drops seen falling in the
sight well is the amount of oil discharged by the pump. Each pump
can be adjusted by means of an external screw. This changes the
length of the piston down-stroke which changes the pump discharge
volume. On up-stroke the piston always stops at the uppermost point,
regardless of displacement adjustment.
Pumps With Pressurized Supplies
Rotation of the lubricator cam actuates the pump rocker arm
assembly to operate the pump piston. On the piston downstroke,
spring pressure is exerted on the piston causing it to follow the
cam. As it moves down, a pressure reduction (vacuum) is created
bet ween the piston and the outlet check valve and the valve closes.
This allows the pressurized supply to unseat the supply inlet shutoff
check and fill the piston bore with lubricant. On the piston upstroke,
the piston forces the supply inlet shutoff check to seat and shut off
the pressurized supply. Lubricant in the piston cylinder is forced out
through the discharge check valve to the machine injection point.
Each pump can be adjusted by means of an external screw. This
changes the length of the piston down-stroke which changes the
pump discharge volume. On up-stroke the piston always stops at the
uppermost point, regardless of displacement adjustment.
DSL PUMP W/SIGHT GLASS
Содержание
- Description 1
- Dsl lubricators 1
- Features benefits 1
- Manzel 1
- Wide choice of standard modular components helps you meet application requirements more exactly without the added costs of a custom system 1
- Description 2
- Dsl lubricators 2
- L51050 2
- Operation 2
- Pumps features benefits 2
- Pumps with drip tube 2
- Pumps with pressurized supplies 2
- All pumps 3
- Camshaft intermediate support bearings are side mounted to reservoir to provide maximum rigidity without adding length 3
- Can be used in outdoor and ammonia sour gas environment 3
- Complete assembly includes level sight gauge fill cup and 3
- Drain plug 3
- Dsl lubricators l51050 3
- Each reservoir is equipped to handle the maximum number of pumps unused pump stations include cams and are covered with a gasketed blank cover assembly that can easily be removed to convert to an active pump station 3
- Features benefits 3
- Five reservoir sizes are available for the dsl lubricator each is ruggedly built to reduce deflection and provide longer life 3
- Loosen adjusting screw locknut 3
- Precise camshaft alignment insures proper lubrica tion by 3
- Pump adjustment 3
- Pump dimensions 3
- Pump discharge output flow can be adjusted within the min max range as shown in the specifications the adjustment is linear therefore positioning the screw midway will produce one half of the pump capacity to adjust the flow proceed as follows 3
- Pump operating count the drops falling in the sight well or rising in the sight feed for a one minute interval 3
- Reservoirs 3
- Resevoir dimensions 3
- Rugged construction for durability 3
- Tighten adjusting screw locknut 3
- Turn the adjusting screw to the desired position and with the 3
- Calculate minimum or maximum pump output capacity 4
- Contact us today 4
- Drive options 4
- Dsl lubricators l51050 4
- Ordering information 4
- To receive product information or speak with a graco representative call 800 533 9655 or visit us online at www graco com 4
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