CAT Pumps 1DX Series Скачать руководство пользователя страница 4 | Manualshive

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CAT Pumps 1DX Series Скачать руководство пользователя страница 4

SERVICING THE PLUNGERS

Disassembly

1.

To service the ceramic plungers, it is necessary to remove
the manifold head. See SERVICING THE SEALS,
Disassembly, steps 1-3.

2.

Remove seal retainer from each plunger rod.

3.

Using a M10 Hex tool, loosen the plunger retainer on each
plunger rod approximately three to four turns.

4.

Push the ceramic plunger back towards the crankcase to
separate from the plunger retainer and proceed with
unthreading the plunger retainer by hand.

5.

Models 1DX.MIST, 2DX, 2DX.MIST, 3DX, 3DNX and 3SPX:
Remove the ceramic plunger and seal washer from each
plunger retainer.

Model 3SP: Remove the ceramic plunger and copper
retainer gasket from each plunger retainer.

NOTE: Copper plunger retainer gasket has been replaced
by NBR seal washer.

Reassembly

1.

Visually inspect the crankcase oil seals for deterioration or
leaks. Contact CAT PUMPS for assistance with replace-
ment. See SERVICING THE CRANKCASE.

2.

Examine seal washers and replace if cut or worn.

3.

Examine plunger retainers for damaged threads and
replace as needed.

4.

Install new seal washer onto each plunger retainer.

5.

Examine the ceramic plungers for scoring, scale buildup,
chips or cracks and replace as needed. The ceramic plungers
do not need to be replaced with every seal servicing.

6.

Slide plunger retainer with seal washer into flat end of
ceramic plunger.

7.

Apply Loctite® 242® to exposed threaded end of plunger
retainer.

8.

Install ceramic plunger with plunger retainer and seal
washer over each plunger rod shoulder and thread hand
tight. Torque to specifications per chart.

NOTE: Ceramic Plungers can only be installed in one
direction. Counterbore end of ceramic plunger fits over
lunger rod shoulder.

9.

See SERVICING THE SEALS, Reassembly, steps 10-13.

TORQUE SEQUENCE

SERVICING THE CRANKCASE

1.

While manifold, plungers and retainers are removed,
examine crankcase oil seals for leaking and wear.

2.

Check for any signs of leaking at bearing cover, drain plug
or bubble gauge.

3.

Check oil level and for evidence of water in oil. Change
crankcase oil on a regular schedule. See PREVENTATIVE
MAINTENANCE CHECK-LIST.

4.

Rotate crankshaft by hand to feel for smooth bearing
movement.

5.

Examine crankshaft oil seal externally for drying, cracking
or leaking.

6.

Contact CAT PUMPS or local distributor if crankcase service
is required.

7

1

3

5

6

4

2

8

All 1DX.MIST, 2DX, 2DX.MIST, 3DX, 3DNX and 3SPX Models

Plunger Arrangement

3SP30G1I, 3SP35GEI

Plunger Arrangement

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Содержание 1DX Series

Страница 1: ... for adjusting pressure regulating devices and also for proper sizing of the nozzle or restricting orifice The pump is rated for a maximum pressure this is the pressure that is read at the discharge manifold of the pump NOT AT THE GUN OR NOZZLE Use PTFE thread tape or pipe thread sealant sparingly to connect accessories or plumbing Exercise caution not to wrap tape beyond the last thread to avoid ...

Страница 2: ...g retainer and press the backside of valve until seat separates from the spring retainer 6 Remove o ring from each seat and valve plug Reassembly 1 Examine spring retainers for internal wear or breaks in the structure and replace as needed 2 Examine springs for fatigue or breaks and replace as needed 3 Examine valves and seats for grooves pitting or wear and replace as needed 4 Examine seat and va...

Страница 3: ...n be easily removed from each seal chamber by hand or with reverse pliers Models 3DNX 3SP and 3SPX Remove V Packing and male adapter from each seal chamber by hand or with a reverse pliers Reassembly 1 Examine the manifold chamber walls for scale buildup or damage 2 Examine Hi Pressure seals or V Packings for frayed edges or uneven wear and replace as needed 3 Examine seal case o rings for cuts or...

Страница 4: ...plungers for scoring scale buildup chips or cracks and replace as needed The ceramic plungers do not need to be replaced with every seal servicing 6 Slide plunger retainer with seal washer into flat end of ceramic plunger 7 Apply Loctite 242 to exposed threaded end of plunger retainer 8 Install ceramic plunger with plunger retainer and seal washer over each plunger rod shoulder and thread hand tig...

Страница 5: ...t will be damaged when removed Reassembly 1 If seat is worn or damaged press new seat into unloader chamber until squarely seated 2 Examine piston stem washer valve retainer and valve for grooves pitting or wear and replace as needed Examine o rings and back up ring for cuts or wear and replace as needed 3 Lubricate and install o ring over slotted head of piston stem then position back up ring on ...

Страница 6: ...ssure is 60 PSI 4 BAR After prolonged storage pump should be rotated by hand and purged of air to facilitate priming Disconnect the discharge port and allow liquid to pass through pump and measure flow INLET ACCESSORIES are designed to protect against over pressuriza tion control inlet flow contamination or temperature and provide ease of servicing A shut off valve is recommended to facilitate mai...

Страница 7: ...34 10 4 6 220 52 16 7 1 8 300 80 25 10 2 10 450 120 38 14 3 15 900 250 80 30 7 20 1600 400 121 50 12 25 650 200 76 19 30 250 96 24 40 410 162 42 50 600 235 62 60 370 93 At a fixed flow rate with a given size hose the pressure drop across a given hose length will be directly proportional A 50 ft hose will exhibit one half the pressure drop of a 100 ft hose Above values shown are valid at all pressu...

Страница 8: ...tall new valve kit Pulsation Faulty Pulsation Dampener Check precharge If low recharge or install a new dampener Foreign material trapped in inlet discharge valves Clean inlet discharge valves or install new valve kit Water leak Under the manifold Worn V Packing Hi Pressure or Lo Pressure Seals Install new seal kit Increase frequency of service Worn adapter o rings Install new o rings Into the cra...

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