Service Manifold Manual
Table Of Contents
- Technical Support
- Preface
- Introduction
- About the Hydraulic Service Manifold (HSM)
- 293.32 HSM Component Identification
- HSM Fluid Flow
- HSM Filtering
- HSM Pressure Control
- About HSM Pilot Pressure
- HSM Accumulators
- HSM Slow Turn-On
- HSM Rapid Pressure Reduction
- Model 239.32 HSM Hydraulic Schematic
- Model 293.32 HSM Dimensions
- Model 293.32 HSM Specifications
- Safety
- General Safety Practices: Hydraulic Power Units and Hydraulic Service Manifolds
- Hazard Placard Placement
- Read all manuals
- Locate and read hazard placards/labels
- Specimen Temperature Changes
- Know facility safe procedures
- Know controls
- Have first aid available
- Know potential crush and pinch points
- Be aware of component movement with hydraulics off
- Know electrical hazards
- Keep bystanders safely away
- Wear proper clothing
- Remove flammable fluids
- Check bolt ratings and torques
- Practice good housekeeping
- Protect hoses and cables
- Provide proper hydraulic fluid filtration
- Protect accumulators from moving objects
- Do not exceed the Maximum Supply Pressure
- Do not disable safety devices
- Use appropriately sized fuses
- Provide adequate lighting
- Provide means to access out-of-reach components
- Wear appropriate personal protection
- Handle chemicals safely
- Know system interlocks
- Know system limits
- Do not disturb sensors
- Ensure secure cables
- Stay alert
- Contain small leaks
- Stay clear of moving equipment/avoid crush points
- Know the causes of unexpected actuator motions
- Do not use RF transmitters
- Know compressed gas hazards
- General Safety Practices: Hydraulic Power Units and Hydraulic Service Manifolds
- Installation
- Operation
- Maintenance
SpecificationParameter
0%–80% relative, noncondensingHumidity
Dimensions
The height varies according to the accumulator installed.
1092 mm (43 in)Height
406 mm (16.0 in)Width
508 mm (20 in)Depth
180 kg (400 lb) Standard; 455 kg (1000lb) MaximumWeight
Accumulators
3.8 L (1 gal) Standard, 19 L (5 gal) MaximumPressure
1 L (0.25 gal) Standard, 7.6 L (2 gal) MaximumReturn
0.5 L (0.12 gal) Standard, 1 L (.25 gal) MaximumPilot Pressure
Fluid Filtration
25 micronsMain Supply
3 micronsPilot Pressure Supply
Operating Pressure
1–21 MPa (150 to 3000 psi)Variable Low Pressure
21 MPa (3000 psi) maximumHigh Pressure
950 L/m (250 gpm)Nominal Flow
5.0–9.0 seconds (system dependent)Slow On/Off Ramp Time
1.5 A at 24 V DC or 0.3A at 115 V ACMaximum Solenoid Current
Fluid Hose Connections
-32 (SAE 4 bolt flange)Pressure
-32 (SAE 4 bolt flange)Return
Model 293.32 Hydraulic Service Manifold | 23
Introduction