TECHNICAL SPECIFICATION RH-4945 Model Load capacity Maximum pressure 0.94MPa Hose Length 1400mm Maximum lifting height 490mm Material steel Cylinder Min Height 355mm Oil Tube Length 470mm Size of Extension Tubes 100mm,200mm,300mm,550mm Gross weight 27.5Kg Net weight 26.5Kg Supplied in Iron box...
PART LIST Hand Pump With Hose Assorted Extension Tubes Rubber Head V base Cylinder Ram Ram Toe Flat Base Plunger Toe Male Thread Adapter Spreading Ram Cleft Cap Assorted Extension Tubes Serrated Saddle SAFETY INSTRUCTIONS PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFETY INSTRUCTIONS AND WARNINGS.
Page 5
included with the set. If the operator cannot read English, operating instructions and safety precautions must be read and discussed in the operator’s native language. - The owner of this set is responsible for it being installed and operated according to federal, state, and local safety standards. - Safety-related decals must be installed, maintained, and replaced if they become hard to read.
Page 6
beyond the rated capacity can result in personal injury. - Do not set poorly-balanced or off-center loads on a ram. The load may tip and cause personal injury. HOSE SAFETY INSTRUCTIONS - Before operating the pump, tighten all hose connections using the correct tools.
IMPORTANT: - The use of extension tubes or off-center attachments greatly reduces the capacity of the hydraulic system. When using extension tubes, put the shortest tubes, put the shortest tubes on the ends of the setup; never put the shortest tubes in the middle of the setup. - Some components in this set do not match the maximum pressure rating of the pump and ram.
Page 8
or after prolonged use, causing the ram to respond slowly or in an unstable manner. To remove the air: 1- Place the ram at a lower level than the pump, with the piston end pointing down. 2- Extend and retract the ram several times without putting a load on the system.
CARE AND MAINTENANCE 1- When the body repair kit is not in use, the pump unit should be stored with the release valve open. 2- To check oil level, place the pump unit in level position. As indicated on the diagram opposite. Tighten the bleeder screw, if the oil is less, you can add the right amount of oil.
Page 10
PROBLEM CAUSE SOLUTION 1- System Components 1- Repair or Replace as Pump loses pressure leaking. necessary. 1- Low fluid level in 1- Check fluid level. Pump not delivering reservoir. 2- Repair seats or replace fluid 2- Seats are worn. pump body. 1- Air trapped in system.
Page 11
1- Clean, reseal with thread sealant, and tighten connection. 1- Leaky connection. 2- Replace worn seals. Look Ram does not hold 2- Ram seals leaking. for excessive contamination pressure 3- Pump or valve not or wear. Replace working correctly.. contaminated fluid. 3- Repair or replace as necessary.
Need help?
Do you have a question about the RH-4945 and is the answer not in the manual?
Questions and answers