What maintenance schedule is recommended for the Positive displacement gear pump, Ã50.8 mm plate, left direction of rotation, flanged connections, TRALE, when operating at 45 cSt and 80Â°C?

For Positive displacement gear pump, Ã50.8 mm plate, left direction of rotation, flanged connections, TRALE, operating at 45 cSt and 80Â°C, follow this maintenance schedule: - Daily / Before each shift - Check oil level and top up with L-HM45 or equivalent if needed. - Visually inspect for external leaks at flanges and seals (NBR). - Listen for abnormal noise or vibration; stop if detected. - Weekly - Check mounting bolts and flange fastenings for tightness. - Inspect drive coupling alignment; correct misalignment. - Monthly - Measure pump inlet/outlet pressures and compare to nominal; investigate deviations. - Check temperature at pump body; ensure it remains within rated medium temperature (â¤90Â°C) and environment limits. - Inspect suction line and filters; clean/replace filters as required. - Every 3 months or 500 operating hours (whichever first) - Change hydraulic oil if contaminated or shows viscosity change; otherwise follow system oil-change intervals. - Inspect NBR seals and replace if hardening, swelling or leakage observed. - Inspect gear clearances and rear cover for wear; if unusual wear detected, plan overhaul. - Every 12 months or 2000 operating hours - Full inspection: disassemble pump, check gears, bearings, mounting plate (cast iron) and aluminum body for wear, scoring or corrosion. - Replace worn gears, bearings and seals. Reassemble and test for rated pressure and leak-free operation. - Additional recommendations - Maintain oil viscosity at recommended 30â45 cSt if possible; 45 cSt at 80Â°C is acceptable but monitor for increased load/temperature. - Avoid operating continuously above stated maximum working pressure. - Keep environment temperature â¤60Â°C; if higher, increase inspection frequency. - Record all maintenance actions and operating parameters (viscosity, temperature, pressures, hours) to optimize intervals. Adjust intervals based on actual duty, contamination level and operating severity.

Positive displacement gear pump, Ø50.8 mm plate, left direction of rotation, flanged connections, TRALE

Q: Can the Positive displacement gear pump, Ã50.8 mm plate, left direction of rotation, flanged connections, TRALE be used with biodegradable hydraulic oils?

Yes. Positive displacement gear pump, Ã50.8 mm plate, left direction of rotation, flanged connections, TRALE can generally be used with biodegradable hydraulic oils, with the following conditions and caveats: - Compatibility with NBR seals: The pump uses NBR (nitrile) sealing. Many biodegradable hydraulic oils (especially vegetableâbased and some synthetic esters) can cause swelling or accelerated aging of NBR. Confirm the specific biodegradable oilâs compatibility with NBR; if incompatible, seals may need to be changed to HNBR, FKM (Viton) or another compatible material. - Viscosity and operating range: The pump accepts fluids from 10 to 600 cSt (recommended 30â45 cSt). Ensure the chosen biodegradable oil falls within this viscosity range at operating temperature. Also check viscosity index and how viscosity changes with temperature for reliable operation between -20 Â°C and +90 Â°C (medium). - Temperature and oxidation: Some biodegradable oils have different thermal stability and oxidation characteristics than mineral LâHM45 equivalents. Verify the oilâs thermal stability, additive package, and recommended maximum operating temperature to match the pumpâs medium temperature limits. - Additives and corrosion: Ensure the oilâs additive chemistry does not promote corrosion of aluminum or cast iron components. Confirm manufacturer recommendations regarding additives and water tolerance. - Pressure and continuous operation: Biodegradable oil must provide equivalent film strength and lubricity for the pumpâs maximum continuous working pressure. Recommendation: Before use, obtain the technical data sheet and seal compatibility statement from the biodegradable oil manufacturer and, if possible, consult TRALE or your supplier. If incompatibility with NBR is found, plan seal material upgrade. Following these checks, the pump can be used with biodegradable hydraulic oils.

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Positive displacement gear pump, Ø50.8 mm plate, left direction of rotation, flanged connections, TRALE

Additional information

Maximum operating temperature [°C]	90
Minimum operating temperature [°C]	-20

Gear displacement pump (hydraulic), TRALE, with external gearing, intended for use in hydraulic systems of machines and equipment. Connections: flanged. Direction of rotation: left. The stated maximum working pressure applies to continuous operation. Material: body – aluminum, mounting plate and rear cover – cast iron. Sealing: NBR. Medium: hydraulic oil type L-HM45 or equivalent. Liquid viscosity: from 10 cSt to 600 cSt (recommended 30 ÷ 45). Operating temperature: from -20°C to +90°C (medium), from -20°C to +60°C (environment).

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
TL-BTD3220I02	Gear pump, size 3, 22 cm3/rev, plate 50.8 mm, with collar.	-	200
TL-BTD3260I02	Gear pump, size 3, 26 cm3/rev, plate 50.8 mm, with collar.	-	200
TL-BTD3280I02	Gear pump, size 3, 28 cm3/rev, plate 50.8 mm, with collar.	-	200
TL-BTD3340I02	Gear pump, size 3, 34 cm3/rev, plate 50.8 mm, with collar.	-	200
TL-BTD3390I02	Gear pump, size 3, 39 cm3/rev, plate 50.8 mm, with coupling.	-	200
TL-BTD3430I02	Gear pump, size 3, 43 cm3/rev, plate 50.8 mm, with collar.	-	200
TL-BTD3460I02	Gear pump, size 3, 46 cm3/rev, plate 50.8 mm, with collar.	-	200
TL-BTD3510I02	Gear pump, size 3, 51 cm3/rev, plate 50.8 mm, with collar.	-	200
TL-BTD3550I02	Gear pump, size 3, 55 cm3/rev, plate 50.8 mm, with collar.	-	200

Gear displacement pump (hydraulic), TRALE, with external gearing, intended for use in hydraulic systems of machines and equipment. Connections: flanged. Direction of rotation: left. The stated maximum working pressure applies to continuous operation. Material: body – aluminum, mounting plate and rear cover – cast iron. Sealing: NBR. Medium: hydraulic oil type L-HM45 or equivalent. Liquid viscosity: from 10 cSt to 600 cSt (recommended 30 ÷ 45). Operating temperature: from -20°C to +90°C (medium), from -20°C to +60°C (environment).