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102-A00 page 8/16

MAINTENANCE

VANE REPLACEMENT

NOTICE:

Maintenance shall be performed by qualified technicians
only, following the appropriate procedures and warnings
as presented in manual.

Figure 5 – Vane Installation

1. Vanes may be replaced with the pump in the upright

position.

2. Flush the pump per instructions in this manual. Drain

and relieve pressure from the pump and system as
required.

3. Remove the head assembly from the

outboard

(nondriven) side of the pump according to steps 4 - 8 in
the "Pump Disassembly" section of this manual.

4. Turn the shaft by hand until a vane comes to the top

(12 o'clock) position of the rotor. Remove the vane.

5. Install a new vane, ensuring that the rounded edge is

UP, and the relief grooves are facing towards the
direction of rotation. See Figure 5.

6. Repeat steps 3 and 4 until all vanes have been replaced.

This method of vane installation ensures the push rods
do not fall out of their rotor slots.

7. Reassemble the pump according to the "Pump

Assembly." section of this manual.

Содержание HXL10E

Страница 1: ...y be obtained from Blackmer s website www blackmer com or by contacting Blackmer Customer Service SAFETY DATA This is a SAFETY ALERT SYMBOL When you see this symbol on the product or in the manual loo...

Страница 2: ...use a lifting device capable of supporting the full weight of the pump assemblies Heavy assemblies can cause personal injury or porperty damage PUMP DATA PUMP IDENTIFICATION A pump Identification tag...

Страница 3: ...intake pipe For viscosities greater than1000 SSU consult the strainer manufacturer instructions 5 Strainers must be cleaned regularly to avoid pump starvation 6 Intake and discharge piping MUST be fre...

Страница 4: ...is manual for parts removal and replacement instructions Figure 4 Reversing the Relief Valve CHECK VALVES If a check valve is used install it at the pump discharge The use of check valves or foot valv...

Страница 5: ...culties during start up are experienced 1 Start the motor Priming should occur within one minute 2 Check the inlet and discharge pressure gauges to ensure the system is operating within expected param...

Страница 6: ...alve HXL pump models are offered with an optional relief valve assembly bolted onto the pump casing Pumping volatile liquids under suction lift may cause cavitation Partial closing of the discharge va...

Страница 7: ...68 Nm HXLJ8 178 lbs ft 241 Nm 50 lbs ft 68 Nm HXL10 178 lbs ft 241 Nm 100 lbs ft 136 Nm 50 lbs ft 68 Nm SCHEDULED MAINTENANCE STRAINERS Strainers must be cleaned regularly to avoid pump starvation Sch...

Страница 8: ...he head assembly from the outboard nondriven side of the pump according to steps 4 8 in the Pump Disassembly section of this manual 4 Turn the shaft by hand until a vane comes to the top 12 o clock po...

Страница 9: ...5 Remove the head O ring 72 and disc 71 If needed threaded holes are provided in the disc to break it free 6 Remove the top vane then rotate the shaft by hand to bring the next vane to the top until...

Страница 10: ...se Refer to the Lubrication section for the recommended grease Install the bearing into the recess of the head g Inspect the grease seal 104 for wear or damage and replace as required Grease the outsi...

Страница 11: ...ary O ring of the mechanical seal 153B 153D will come off with the hub a Pull the bearing 24 from the housing in the hub b To remove the mechanical seal stationary seat 153B remove the seal retaining...

Страница 12: ...mp Install the six 6 disc retaining screws 71A and lockwashers 71B 7 Install a new head O ring 72 8 Using a hoist carefully attach the head 20 to the casing with the head drain hole towards the bottom...

Страница 13: ...ckwasher tang into the slot in the locknut The pump should continue to turn freely when rotated by hand 16 Inspect the grease seal 104 for wear or damage and replace as required Grease the outside dia...

Страница 14: ...vanes discs liner or rotor 6 Excessive restriction in discharge line causing partial flow through the relief valve 7 Relief Valve worn set too low or not seating properly 8 Vanes installed incorrectly...

Страница 15: ...y too high for the pump speed 3 Relief valve not opening 4 Hydraulic hammer pressure spikes 5 Pump driver driveline drive shaft misalignment 6 Excessively worn vanes or vane slots 7 Settled or solidif...

Страница 16: ...102 A00 page 16 16 1809 Century Avenue Grand Rapids Michigan 49503 1530 U S A Telephone 616 241 1611 Fax 616 241 3752 E mail blackmer blackmer com Internet Address www blackmer com...

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