User manual GRACO TRI-LUBE GREASE PUMP PACKAGE
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Manual abstract: user guide GRACO TRI-LUBE GREASE PUMP PACKAGE
Detailed instructions for use are in the User's Guide.
[. . . ] 3-4 PARTS LISTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 THRU 4-3 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
LIST OF ILLUSTRATIONS
NUMBER 1-1 2-1 2-2 2-3 2-4 2-5 2-6 3-1 3-2 3-3 3-4 TITLE PAGE NUMBER 3-5 3-6 3-7 3-8 3-9 3-10 3-11 4-1 4-2 4-3 TITLE PAGE
puMp operatIon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 puMp DIMenSIonS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 reServoIr cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] 2. 3. 4
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for subsequent re-filling, unless the reservoir has been allowed to run dry or air was pumped into the reservoir, it will not be necessary to remove the yellow plug or fill above the vent hole.
2. 4
2. 4. 1
CAUTION
do not fill the reservoir with grease heavier than NLGI #2. 2. 3. 2 filling is accomplished by connecting a suitable transfer pump to the fill fitting in the front of the pump housing (See Figure 2-3). Before connecting the transfer pump, make sure that both the lube fitting and the coupler are clean and that the hose and transfer pump are full of clean grease that is free of air.
PURGING THE PUMP ANd SYSTEM OF AIR
operate the pump with the main line disconnected until grease free of air is seen at the pump outlet. fill and purge system lines and divider valves following the procedures outlined in trabon Bulletin l30103. once all lines and dividers have been purged free of air, reconnect pump to mainline.
2. 4. 2
2. 4. 3
1
3
vent Hole
2
figure 2-4a
Fill Fitting Pump Position Plug
Figure 2-3 2. 3. 3 for the initial filling, or if the reservoir has been allowed to run dry, removing one of the pump position yellow plugs from the pump body will facilitate expelling air from the body and reservoir. Slowly start to fill the reservoir until grease free of air flows from the open pump position. after the plug is installed, fill slowly until the follower seal is slightly above the vent hole in the reservoir tube. When grease free of air is seen at the vent, stop filling.
figure 2-4b
3
4
figure 2-4c
Figure 2-4
2-2
Tri-Lube Grease Pump Package User Manual
2. 5 AddING PUMP ELEMENTS
CAUTION To avoid personal injury or severe internal damage to the drive-train, or pump element, these procedures must be followed carefully. pull out pump piston 2 until it extends approximately 1-1/8" (29 mm) from end of cylinder to end of mushroom head. Insert element into housing at approximately a 15 degree angle as shown in figure 2-4b. NOTE: If pump is full of grease, it will be necessary to clear a path through the grease using a clean screwdriver. 2. 5. 5 2. 5. 6 2. 5. 7 rotate element down (figure 2-4c) engaging mushroom head between cam 3 and retracting ring 4. fill reservoir with clean grease (See Section 2-3) and run pump for 1 minute to check for grease output. 3/8 in drive 17 mm Socket.
Cover Attaching Screws
Pump Position Plug
Figure 3-1
3. 2
REPLACING LOW LEvEL SWITCH, RESERvOIR COvER ANd FOLLOWER ASSEMBLY (SEE FIG. 3. 1 & 3. 2)
NOTE: replacement low level Switches are available as part of a low level Switch/cover/follower assembly only.
Low Level, Cover, Follower Assembly
3. 2. 1 3. 2. 2 3. 2. 3 3. 2. 4
remove four cover screws. With slight rocking motion of cover, withdraw follower/ low level switch assembly from reservoir. If suction below follower cannot be broken by rocking motion, remove one or more pump position plug. reassemble in reverse order.
Pump Position Plug Removed
Figure 3-2
3-1
Tri-Lube Grease Pump Package User Manual
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3. 3
3. 3. 1
REPLACING RESERvOIR (SEE FIG 3. 3 & 3. 4)
following removal of reservoir cover and follower assembly as outlined in 3. 2 above, remove any grease using a clean scoop and clean rags. remove paddle drive adapter (adapter and shaft have left hand threads). remove five reservoir to pump body attaching screws from inside reservoir. note: If eccentric shaft bearing will be reused and remains in old reservoir, remove it from the old reservoir bearing cavity (bearing is a light push fit in cavity). reassemble in reverse order.
Paddle Nut (Left Hand Threads)
3. 3. 2 3. 3. 3 3. 3. 4 3. 3. 5
Figure 3-3
3. 3. 6
3. 4
3. 4. 1
REPLACING ECCENTRIC SHAFT BEARING
(SEE FIG 3-4) following removal of the reservoir as described in 3. 3 above, the bearing will either be on the eccentric shaft or in the bearing cavity of the reservoir (bearing is a lightpush fit in both components). [. . . ] If motor operates, check for bent or binding components (pump piston and cylinder, cam and retract ring or gear reducer). replace any damaged components (refer to sections 3. 3, 3. 4 and 3. 5).
a.
a. 1 to 20 points from a single valve assembly. . . . up to 400 points from a Master/Secondaries circuit. . . . or systems that handle an entire plant. PUMPS: fixed and variable displacement. . . . manual and air, hydraulic, electric motor or mechanically driven. [. . . ]
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