Q: What visible indicators show that a 0878109 hydraulic pump thrust plate has worn beyond its safe service threshold?
A: Maintenance technicians will note deep concentric scratch tracks across the sliding face, localized brass discoloration from overheating, and copper flakes inside the case drain filter element.
A: Maintenance technicians will note deep concentric scratch tracks across the sliding face, localized brass discoloration from overheating, and copper flakes inside the case drain filter element.
Q: What alignment and cleanliness rules must workshop mechanics implement when mounting this replacement slipper plate?
A: Rebuild teams must clean out all oil sludge from the casing pocket, ensure the plate sits flat against the swash support without trapped grit, and verify the aligning pins lock securely into place.
A: Rebuild teams must clean out all oil sludge from the casing pocket, ensure the plate sits flat against the swash support without trapped grit, and verify the aligning pins lock securely into place.
Q: Does this specific 0878109 part number work for both the primary front circuit and the secondary rear circuit within the pump?
A: This model code features uniform internal dimensions that match the structural spacing specified across both circuits within the tandem housing layout, ensuring proper reassembly.
A: This model code features uniform internal dimensions that match the structural spacing specified across both circuits within the tandem housing layout, ensuring proper reassembly.
Q: How does this hydraulic pump thrust plate avoid structural cracking under continuous heavy excavation cycles?
A: The alloy steel backing plate undergoes deep thermal conditioning to increase its resistance to pressure fatigue, keeping the tracking surface true even under intense pressure spikes common during continuous shifts.
A: The alloy steel backing plate undergoes deep thermal conditioning to increase its resistance to pressure fatigue, keeping the tracking surface true even under intense pressure spikes common during continuous shifts.
