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Allmand — 1. Symptoms:

A Allmand service procedure — check it applies to your exact model before use.

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Procedure

  1. Motor RPM is faster than normal.
  2. Cylinder will not extend.
  3. Excessive turbulence in the reservoir. Note: On applications where the cylinder is being replaced or the mechanical mechanism is being modified, make sure the pressure capability of the pump is not being exceeded.

Source: manual:hydraulic_power_unit_v-series_monarch_relief_valve_adjustment_and_parts_list.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.