Pallet Truck Repair
Knowing what you should know about pallet truck repair helps you make smart decisions about fixing versus replacing equipment, tackle simple repairs in-house, and find qualified help for complex problems. Most pallet jack issues fall into predictable categories with established solutions.
Pallet jacks are workhorses that eventually need attention. Understanding common problems, repair options, and costs helps you keep equipment running efficiently while avoiding unnecessary downtime and expense. This guide covers what you need to know about pallet truck repair.
Common pallet jack problems
Hydraulic system issues
- Won't lift. Pump failure, low fluid, air in system.
- Won't hold load. Internal leak, worn seals, faulty valve.
- Lifts slowly. Low fluid, worn pump, cold fluid.
- Won't lower. Stuck release valve, debris in valve.
- Leaking. Worn seals, damaged lines, loose fittings.
Mechanical issues
- Hard to push. Worn wheels, damaged bearings, bent fork.
- Steering problems. Worn steer wheel, damaged pivot.
- Handle loose. Worn pivot bushings, missing pins.
- Forks bent. Overload damage, impact damage.
- Noise. Worn bearings, dry pivots, loose parts.
Wheel problems
- Flat spots. Brake lock, heavy loads, sitting still.
- Chunking. Chemical damage, overloading, debris impact.
- Won't roll. Bearing failure, debris wrapped around axle.
- Excessive wear. Overloading, rough floors, dragging loads.
Troubleshooting guide
Jack won't lift at all
| Check | Possible Cause | Solution |
|---|---|---|
| Fluid level | Too low | Add hydraulic fluid to proper level |
| Release valve | Open or stuck | Close valve, clean if stuck |
| Air in system | Entered during service | Bleed air from system |
| Pump | Worn or damaged | Rebuild or replace pump |
Load slowly drops
| Check | Possible Cause | Solution |
|---|---|---|
| Release valve | Not sealing | Clean or replace valve |
| Cylinder seals | Worn, allowing bypass | Replace seal kit |
| Check valves | Not seating | Clean or replace |
| Contamination | Debris in fluid | Drain, clean, refill system |
Hard to push/pull
| Check | Possible Cause | Solution |
|---|---|---|
| Load wheels | Flat spots, damage | Replace wheels |
| Wheel bearings | Worn or seized | Replace bearings or wheels |
| Debris | Wrapped around axles | Remove debris |
| Forks | Bent, dragging | Straighten or replace forks |
| Overload | Too much weight | Reduce load |
Repairs you can do
Adding/changing hydraulic fluid
- Lower forks completely
- Locate fill plug (usually on pump housing)
- Remove plug, check level
- Add proper hydraulic jack oil to correct level
- Replace plug securely
Note: Use correct fluid type. See our pallet jack hydraulic oil guide.
Bleeding air from system
- Lower forks fully, release valve open
- Pump handle rapidly 10-15 times
- Close release valve
- Pump to raise forks
- Repeat if necessary
Wheel replacement
Load wheels (fork wheels):
- Raise forks fully with no load
- Block forks to prevent lowering
- Remove axle retaining clip or bolt
- Remove old wheel
- Install new wheel
- Secure axle
Basic lubrication
- Apply grease to pivot points as specified
- Lubricate handle pivot
- Oil linkage connections
- Don't over-lubricate—attracts dirt
Repairs requiring professional help
Hydraulic pump rebuild
- Requires disassembly of pump unit
- Seal replacement and component inspection
- Proper tools and knowledge needed
- Incorrect assembly causes failure
Cylinder repair
- Internal seal replacement
- Cylinder bore inspection
- Rod straightening or replacement
Fork straightening or replacement
- Heat and press required for straightening
- Improper repair weakens fork
- Welding forks not recommended
Frame repair
- Structural welding requires expertise
- Improper repair creates safety hazard
- Consider replacement for major damage
Repair vs. replace decision
Consider repair when
- Jack is relatively new (under 3-5 years)
- Problem is minor and specific
- Repair cost under 50% of replacement
- Rest of jack is in good condition
- Quality brand worth maintaining
Consider replacement when
- Multiple problems exist
- Repair cost exceeds 50-60% of new
- Jack is old with accumulated wear
- Forks are bent or cracked
- Frame is damaged
- It's a cheap jack not worth repairing
Cost comparison
| Repair Type | Typical Cost |
|---|---|
| Wheel replacement (pair) | $50-150 |
| Seal kit installation | $75-200 |
| Pump rebuild | $150-350 |
| Complete overhaul | $250-500 |
| New standard jack | $300-600 |
If repair approaches 50% of new cost, replacement often makes more sense.
Finding repair services
Options for repair
- Forklift dealers. Most service pallet jacks too.
- Material handling service companies. Specialize in this equipment.
- Industrial equipment repair shops. General repair capabilities.
- Mobile repair services. Come to your location.
- In-house maintenance. If you have qualified staff.
What to look for
- Experience with pallet jacks specifically
- Access to parts (OEM or quality aftermarket)
- Reasonable response time
- Fair pricing
- Warranty on repairs
Questions to ask
- Do you service this brand/model?
- What's the diagnostic fee?
- Will you provide an estimate before repair?
- What's the turnaround time?
- Do you warrant your work?
- Do you offer on-site service?
Replacement parts
Common replacement parts
- Load wheels. $15-50 each.
- Steer wheels. $30-80 each.
- Seal kits. $20-60.
- O-rings. $5-15 per set.
- Handle grips. $10-25.
- Entry rollers. $15-40 per pair.
- Push rods. $30-80.
Parts sources
- Equipment dealers (OEM parts)
- Industrial supply houses
- Online parts specialists
- Aftermarket suppliers
See our hand pallet jack parts guide for details.
Preventing repairs
Regular maintenance
- Daily inspection catches problems early
- Keep wheels clean
- Maintain proper fluid level
- Lubricate as specified
- Address issues promptly before they worsen
Proper use
- Don't exceed rated capacity
- Avoid impacts and drops
- Don't drag loads
- Keep forks off the ground when not under pallet
- Park properly—lower forks, release pressure
Environment
- Keep floors clean
- Protect from extreme weather
- Store indoors when possible
- Clean up spills that damage wheels
See our pallet jack maintenance guide for complete procedures.
Safety during repair
- Never work under raised forks without blocking
- Release hydraulic pressure before disassembly
- Use proper tools
- Wear appropriate PPE
- Don't use damaged equipment until repaired
- Tag out defective equipment
- Follow manufacturer procedures
Related topics
- Pallet jack maintenance - Preventive care
- Hand pallet jack parts - Component guide
- Pallet jack hydraulic oil - Fluid guide
- Pallet jack types - Equipment overview