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SERVICE MANUAL
1570 PLUNGER PUMP
FLOW
PUMP
MODEL
gpm
lpm
1570
6.0
22.7
IMPORTANT SAFETY INSTRUCTIONS
It is the responsibility of the user to read and understand all instructions, important safeguards, and safety precautions before operating or
servicing any pump. Failure to do so may result in property damage, personal injury or death.
General Safety Information and Symbols
Pay special attention to the following signal words, safety alert symbols and statements:
DANGER
indicates a hazardous situation which, if not avoided, will result in death or serious injury.
WARNING
indicates a hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION
indicates a hazardous situation which, if not avoided, could result in minor or moderate injury or property damage.
NOTICE
indicates a hazardous situation which, if not avoided, could result in property damage.
Indicates a potential personal injury hazard. Obey all safety messages that follow this symbol to avoid possible injury or death.
SERVICING THE 1570 PLUNGER PUMP SERIES
WARNING
Do not service pump or electrical equipment while energized.
Electricity can cause personal injury, death or property damage.
1.
Adhere to "Lock Out" and "Tag Out" procedures for electrical equipment.
2.
Before commencing pump service, turn power supply off.
3.
Keep water away from electrical outlets and electrical devices.
4.
Electrical components must be installed by a qualified
electrician to avoid risk of electrocution.
PRESSURE
RPM
psi
bar
Pump
6,000
414
1350
E-mail : info@pijttersen.nl / info@catpumps.nl
Internet : www.pijttersen.nl / www.catpumps.nl
TEMPERATURE
Motor
˚F
˚C
—
120
48
SHAFT DIA.
OIL CAPACITY
in
mm
oz
1.181
30
42
l
1.26
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Summary of Contents for CAT Pumps 1570
- Page 1 Indicates a potential personal injury hazard. Obey all safety messages that follow this symbol to avoid possible injury or death. SERVICING THE 1570 PLUNGER PUMP SERIES WARNING Do not service pump or electrical equipment while energized.
-
Page 2: Servicing The Valves
Servicing the Valves DISASSEMBLY (DISCHARGE VALVES ONLY) NOTE: One (1) valve kit is required to repair pump. NOTE: The discharge seat has a smaller diameter than the inlet seat. 1.0 Use a M10 Allen Wrench to remove the 1.1 Remove valve cover. 1.2 Use a flat tip screwdriver to remove eight (8) Hex Socket Head (HSH) screws valve plugs from each valve chamber. -
Page 3: Torque Sequence
REASSEMBLY NOTE: Lubricate o-rings and backup-rings on valve seats and valve plugs prior to reassembly. 1.7 Place new assemblied discharge valve 1.8 Place washer over tip of spring retainer 1.9 Press in valve plug into each valve assembly into each valve chamber. and then coil spring. - Page 4 Servicing the Valves DISASSEMBLY (INLET VALVES ONLY) NOTE: One (1) valve kit is required to repair pump. NOTE: In order to remove inlet valve assembly, remove IMDM and housing block. NOTICE Exercise extreme caution when removing head assembly. The weight of the head assembly or any twisting action can damage the ceramic plungers.
- Page 5 NOTE: Examine seats, valves and springs for grooves, pitting or wear and replace with a new valve kit as needed. NOTE: Examine o-rings and backup-rings for cuts or wear and replace with a new valve kit as needed. 2.8 Disassemble inlet valve assembly and inspect all parts per NOTES REASSEMBLY NOTE: Lubricate o-rings and backup-rings on valve seats and V/P cylinders and o-rings on outer cylinder prior to reassembly.
- Page 6 REASSEMBLY CONTINUED TORQUE SEQUENCE NOTICE Exercise extreme caution when installing head assembly. The weight of the head assembly or any twisting action can damage the ceramic plungers. Rotate crankshaft by hand so the two outside plungers are extended equally. 2.13 Use a M10 Allen Wrench to torque all 2.14 Slide complete head assembly carefully eight (8) HSH screws to 398 in lbs, 33 ft over ceramic plungers until flush against...
- Page 7 Servicing the Seals DISASSEMBLY NOTE: One (1) seal kit is required to repair pump. NOTE: In order to replace seals, remove IMDM and housing block. NOTICE Exercise extreme caution when removing head assembly. The weight of the head assembly or any twisting action can damage the ceramic plungers.
- Page 8 DISASSEMBLY CONTINUED 3.8 Remove V/P cylinders from IMDM. 3.9 Remove female adapter from each 3.10 Remove v-packings (qty 3) from each V/P cylinder. V/P cylinder. NOTE: Remove o-ring and backup-rings from each V/P cylinder. 3.11 Remove male adapter from each 3.12 Remove collars and wicks from V/P cylinder.
- Page 9 REASSEMBLY 3.14 Install brass male adapter with flat 3.15 Lubricate and install v-packings with 3.16 Install female adapter with v-grooved surface down into each V/P cylinder. v-grooved side down into each V/P side facing down into each V/P cylinder. cylinder. Each cylinder requires three (3) v-packings.
- Page 10 REASSEMBLY CONTINUED NOTE: Apply anti-sieze lubricant (PN 6119) to threaded ends of all eight (8) HSH screws and hand thread into position. 3.21 Install wicks and then collars into 3.22 Position housing block with counter- crankcase side of housing block. bore surfaces facing downward over outer cylinders.
- Page 11 NOTE: Inspect all three (3) plunger assemblies for cracks, pitting and scoring and replace individually as needed. 4.3 Inspect all three (3) crankcase oil seals and plunger rods for damage or oil leakage. Contact Cat Pumps for proper instructions on removal of these oil seals.
- Page 12 REASSEMBLY 4.4 Install plunger assembly onto 4.5 Use a 7/8" wrench to torque the three 4.6 Install seal retainers with slot opening each plunger rod. (3) plunger assemblies to 398 in lbs, 33 ft facing upwards and the small stepped lbs or 45 Nm.
-
Page 13: Safety Hazards
Safety Hazards Safety IMPORTANT SAFETY A. FLAMMABLE OR EXPLOSIVE LIQUID HAZARD INSTRUCTIONS Do not operate pump with flammable or explosive liquids unless extraordinary safety precautions are observed. Leaks It is the responsibility of the user to read of flammable or explosive liquids, if exposed to elevated and understand all instructions, important temperatures, static electricity, sparks or other hazards, will safeguards, and safety precautions before... - Page 14 2. When high pressure gun is not in use, set safety trigger lock (safety latch) to avoid accidental high pressure operation and personal injury or property damage. Continued 3. Do not check for leaks with hand. Use a piece of cardboard to check for leaks. 4.
- Page 15 C. CLEANING PUMP HAZARD Do not use solvents that are flammable and toxic to clean or degrease equipment. Use of these solvents could Continued result in personal injury and property damage. 1. Follow safety instructions as found in MSDS or on packaging of each liquid. 2.
-
Page 16: Diagnosis And Maintenance
A careful review of the necessary inlet conditions and protection devices required before the system is installed will eliminate many potential problems. Cat Pumps are very easy pumps to service and require far less frequent service than most pumps.
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