Blitz GHUSE Series Guide

Operating Instructions and Spare Parts
List for Suspended Pit Jacks
Original Operating Instructions in German
Series:
GHUSE / GHUSLE
Series:
GWS 2 / GWUS 2
Series:
GWSK 2 / GWSKT / GWSKTA
Series:
GH / GHL – GHS / GHSL
GHUS / GHUSL / GHUST
GHSP / GHLP
GHUSP / GHUSLP / GHUSTP
Series:
GHUSKTP
Series:
Blitz S 15 Vario
Rev. 0 126867 06/2018
Type
Serial number
Date

Operating Instructions for Suspended Jacks
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Concerning these operating instructions
These operating instructions apply to several series with three different construction methods:
Hydraulic (-pneumatic) construction
Pneumatic construction
Electrohydraulic construction
•Pictures or text sections marked with the symbols shown above only apply to the jacks of the respective construction.
•Position numbers [1] in the operating instructions always refer to the pictures shown here and the component
overview.
•Cross-references ()must be taken into consideration.
Overview of the Series
The overview shows a variant of each series.
Component overview for all series
[1]
Tilt protection bar
[2]
Control elements
[3]
Drain valve
[10]
[4]
Manual pump
[9]
[5]
Oil drain plug load stroke
[8]
[7]
[1]
[6]
Compressed air supply
[2]
[7]
Oil dipstick load stroke
[3]
[8]
Oil drain plug retrieval
[11]
[4]
[9]
Oil dipstick retrieval
[10]
Piston rod
[5]
[11]
Cover
Series:
GHUSE
/GHUSLE
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Operating Instructions for Suspended Jacks
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[10]
[1]
[10]
[1]
[2]
[3]
[2]
[6]
[6]
Series:
GWS 2
GWUS 2
Series:
GWSK 2
GWSKT GWSKTA
[10]
[9]
[8]
[10]
[7]
[1]
[7]
[1]
[6]
[2]
[3]
[2]
[3]
[4]
[5]
[5] [6]
Series:
GH/GHL
GHS/GHSL 
GHUS/GHUSL/GHUST

GHSP/GHLP
GHUSP/GHUSLP/GHUSTP
Series:
GHUSKTP
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Operating Instructions for Suspended Jacks
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[9]
[10]
[8]
[6]
[2]
[7]
[3]
[4]
[5]
Series:
Blitz S 15
Vario
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Operating Instructions for Suspended Jacks
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Table of Contents
1Basic Safety Instructions........................................................................................................ 6
1.1 Intended Use................................................................................................................................................. 6
1.2 Basic Measures............................................................................................................................................ 6
1.3 Safety-relevant Components...................................................................................................................... 6
1.4 Explanation of Notes ................................................................................................................................... 6
2Storage......................................................................................................................................... 6
3Technical Data ........................................................................................................................... 7
4Transport, Installation and Assembly ................................................................................. 8
4.1 Make the Lifting Cylinder ready for Operation........................................................................................ 8
4.2 Install and assemble Jack .......................................................................................................................... 9
4.3 Compressed Air Supply ............................................................................................................................ 12
4.4 Electrical Connection ................................................................................................................................ 12
5Commissioning........................................................................................................................ 12
6Operation................................................................................................................................... 12
6.1 Load Handling Device............................................................................................................................... 12
6.2 Supporting Bridges and Trestles............................................................................................................. 13
6.3 Hazard Statements .................................................................................................................................... 14
6.4 Lift, lower and transport Loads ................................................................................................................ 15
7Maintenance and Repair ....................................................................................................... 16
7.1 Maintenance Intervals............................................................................................................................... 16
7.2 Perform Function Test............................................................................................................................... 16
7.3 Check Compressed Air Supply ................................................................................................................ 16
7.4 Top up Anti-Rust Oil.................................................................................................................................. 17
7.5 Check the Hydraulic Oil Level.................................................................................................................. 17
7.6 Perform Safety Test................................................................................................................................... 17
7.7 Changing the Hydraulic Oil...................................................................................................................... 18
7.8 Replacing Hydraulic Hoses...................................................................................................................... 18
7.9Drain the Condensate ............................................................................................................................... 18
7.10 Bleed the Jack............................................................................................................................................ 18
7.11 Clean or replace the Pneumatic Control Valve ..................................................................................... 19
7.12 Replace Hydraulic Block .......................................................................................................................... 19
8Troubleshooting ...................................................................................................................... 20
9Decommissioning and Disposal ......................................................................................... 20
10 EC – Declaration of Conformity .......................................................................................... 21
11 Spare Parts Lists..................................................................................................................... 22

Operating Instructions for Suspended Jacks
6
1Basic Safety Instructions
1.1 Intended Use
The jack is intended exclusively for partially lifting vehicles and for transporting vehicle parts
(engine, transmission). Any other use there of shall be considered as not intended use.
Always secure lifted vehicles with supporting bridges/A-frames.
1.2 Basic Measures
The lift may be used only by workshop personnel with corresponding training.
Work on electric, hydraulic, and pneumatic systems may be performed only by specialists.
Observe the operating instructions.
Always keep the operating instructions available at the place of use.
Observe all safety and danger notes on the lift and keep them legible.
The workshop operator must insure that all safety regulations are observed by the workshop
personnel.
Technological modifications of the lift are not permitted.
The operating instructions are a part of the product and must be handed over to a succeeding
user.
Observe the maintenance intervals.
1.3 Safety-relevant Components
•Hydraulic pressure limiting valve
•Hydraulic lowering brake valve
•Tilt protections [1] on the lifting cylinder
•Pull-out safety devices at the undercarriage (4.2, Positions A)
•Pressure limiting valve
•Throttle valve
•Tilt protections [1] on the lifting cylinder
•Pull-out safety device at the undercarriage (4.2, Positions A)
1.4 Explanation of Notes
DANGER
Risk of death and severe injury
Measures
WARNING
Risk of injury and material damage
Measures
CAUTION
Property damage
Measures
2Storage
Store the jack in a dry place protected from the weather at an ambient temperature of -10 °C to +50
°C. Contact the manufacturer if storing for more than 6 months.
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3Technical Data
GH/GHL, GHS/GHSL,
GHUS/GHUSL/GHUST, GHSP/GHLP,
GHUSP/GHUSLP/SHUSTP
GHUSE/GHUSLE
Blitz S
15
VarioFit
Load capacity
t
4
6
10
15
16
20
30
15
Operating pressure pneumatically
bar
10
10
10
10
10
10
10
10
Operating pressure hydraulically
bar
80
120
199
235
130
163
245
235
Oil capacity container 1
l
5
5
5
5
12
12
12
6.1
Oil capacity container 2
L
1.2
1.2
1.2
1.3
2.1
2.1
2.1
1.6
Lifting height (L models)
mm
600 (800)
Max lowering speed at rated load
m/s
0.15
GWS 2
GWUS 2
GWSKT
GWSKTA
Load capacity
t
2
3/2.5
4/3.5
2/1.5
3/2.5
Operating pressure pneumatically
bar
12
10
14
8
10
Lifting height
mm
500
420
420
285
345
Max lowering speed at rated load
m/s
0.15
0.15
GHUSKTP
Load capacity
t
4/4
6/6
10/10
12/12
14/14
Operating pressure pneumatically
bar
10
10
10
10
10
Operating pressure hydraulically
Bar
70
105
175
210
245
Oil capacity container
l
4.1
4.1
4.1
4.1
4.1
Lifting height
mm
330
Max lowering speed at rated load
m/s
0.15
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Operating Instructions for Suspended Jacks
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4Transport, Installation and Assembly
DANGER
Risk of death and severe injury from improper transport
Always transport the lift table with suitable hoisting and transport devices (e.g. forklift or crane).
Never stay under suspended loads.
Safety notes
Hoist the jack at viable spots only.
Move the lifting cylinder horizontally and with the operating elements at the top.
Secure moving and loose parts.
4.1 Make the Lifting Cylinder ready for Operation
Note variants of the hydraulic construction.
Without operating elements With operating elements
A
A
C
B
Remove cap A.
In addition, replace cap B with the supplied
ventilation screw.
Remove cap A.

For jacks with retrieval, connect hose C.
D
D
Replace cap D with the supplied ventilation screw.
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Operating Instructions for Suspended Jacks
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4.2 Install and assemble Jack
WARNING
Risk of injury and material damage by crashing jacks
Install jack only on level and solid ground, which has the necessary load-bearing capacity.
Use jack only on load-bearing and parallel rails.
Safety notes
Use jack only with castors that fit the rails.
Only use the jack in the workshop pit or lift for which it was made.
If the distance between the rails of vehicle lifts (e.g. scissor lifts) changes due to alternating load,
additional fuses need to be requested from the manufacturer.
There are five types of undercarriages:
•Undercarriages with sliding axles (adjustable)
•Undercarriages with telescopic carriers (adjustable)
•Single-piece undercarriages (rigid)
•Two-piece undercarriages (rigid)
•Transverse and height-adjustable undercarriages
Undercarriages with sliding axles
Standard castors
A
B
C
Insert undercarriage in rails.
Pull out sliding axes B evenly and set the track width.
Tighten set threaded pins C.
Check the secure support of the castors (standard castors min. 25 mm) over the entire length of
the rails.
Adjust enclosed clamping collars A and attach externally to sliding axles B.
Dismantle the tilt protection bracket [1] on the lifting cylinder, insert the lifting cylinder into the
undercarriage and replace the tilt protection bracket on both sides.


Operating Instructions for Suspended Jacks
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Undercarriages with telescopic carriers
Special castors
C
B
A
Insert undercarriage in rails and set track width.

Remove threaded pins A and drill hole B to 8 mm.

Install threaded pins A with thread outwards and tighten.

Check the secure support of the castors (standard castors min. 25 mm) over the entire length of
the rails.

Adjust and place U profiles C.

Dismantle the tilt protection bracket [1] on the lifting cylinder, insert the lifting cylinder into the
undercarriage and replace the tilt protection bracket on both sides.
Single
-piece undercarriages
Two
-piece undercarriages
E
Insert undercarriage via installation opening E
into rails.

Check the secure support of the castors
(standard castors min. 25 mm) over the entire
length of the rails.

Dismantle the tilt protection bracket [1] on the
lifting cylinder, insert the lifting cylinder into
the undercarriage and replace the tilt
protection bracket on both sides.
Insert undercarriage components in rails and
firmly connect with enclosed screws.

Check the secure support of the castors
(standard castors min. 25 mm) over the entire
length of the rails.

Dismantle the tilt protection bracket [1] on the
lifting cylinder, insert the lifting cylinder into
the undercarriage and replace the tilt
protection bracket on both sides.

Operating Instructions for Suspended Jacks
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Transversely adjustable undercarriage
Transverse and height
-adjustable
undercarriage
B
A A

Insert undercarriage in rails and set track
width.
Check the secure support of the castors
(standard castors min. 25 mm) over the entire
length of the rails.

Secure the undercarriage width with screws A
(2 pcs. per side) to 30 Nm.
Screw side plates to desired height on the
undercarriage.

Tighten all screws B with a torque wrench to
80 Nm.

Insert undercarriage in rails and set track
width.

Check the secure support of the castors over
the entire length of the rails.

Se
cure the undercarriage width with screws A
(2 pcs. per side) to 30 Nm.
Transversely adjustable undercarriage
Lift the jack into the undercarriage and lower
it (A) until the operating element [2] is just
below the guide rails
Turn the jack 90° (B)
Set jack down on the undercarriage
A
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Operating Instructions for Suspended Jacks
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4.3 Compressed Air Supply
The compressed air supply must be provided via a maintenance unit consisting of water separator
and pressure reducer. Attach the maintenance unit directly to the jack.
•Supply pressure: max. 10 bar
4.4 Electrical Connection
WARNING
Risk of injury and material damage due to electric shock
The electrical connection and the protective measures in force in the country are to be installed
and checked by a specialist.
The electrical connection must consist of a cable with a five-pin CEE coupling 16 A, which is
connected to a 400V/50Hz mains. A motor-protective circuit-breaker of 3.8 A must be present.
The manufacturer recommends a suitable cable suspension.
5Commissioning
Before first operation:
Connect compressed air supply or electrical connection to the jack.
Check the hydraulic oil level. (7.5)
Perform the safety test. (7.6)
6Operation
6.1 Load Handling Device
Safety notes
Do not stack extensions.
Always use the manufacturer’s original load handling devices with suitable spigots.
Support plate and extension
Traverse
Lift vehicles at one point.
Carefully lift vehicles at two points.
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Transmission plate
Remove, install and transport vehicle parts
safely.
For poorly accessible load application points on the vehicle use special support plates and an
extension, if necessary. For more information on all load handling devices, contact the manufacturer.
6.2 Supporting Bridges and Trestles
Safety notes
Ensure the secure support of the supporting bridges/trestles over the entire length of the
workshop pit or workshop floors.
Supporting bridge
Trestle
For use in workshop pits.
For use on workshop floors,
e.g. under lifts.
For more information on all load handling devices, contact the manufacturer.

Operating Instructions for Suspended Jacks
14
6.3 Hazard Statements
CAUTION
Observe the operating instructions.
DANGER
Operate the lift only when there is no risk for persons.
Always observe lifting and lowering movements.
Use the lift only in a safety-technologically correct condition.
DANGER
The safe vehicle support should always be checked after briefly lifting it.
Always use suitable load handling devices.
Attach load handling devices only to horizontal, level and load-bearing
Load application points, which are specified by the vehicle manufacturer.
DANGER
Always secure lifted vehicles with supporting bridges/A-frames.
DANGER
Do not exceed the max. load-bearing capacity of the lift.
Secure the vehicle part with chains or belts.
Transport vehicle parts only in lowered condition.
CAUTION
The lift may be used only by workshop personnel with corresponding training.
CAUTION
Lifting of persons and climbing onto the lift and the load are not permitted.
CAUTION
Never stay under suspended loads.
CAUTION
Use jack only on level and firm ground.

Operating Instructions for Suspended Jacks
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6.4 Lift, lower and transport Loads
DANGER
Risk of death and severe injury due to lifted vehicles
Always secure lifted vehicles with supporting bridges/A-frames.
Always use suitable load handling devices.
Apply load handling devices only to horizontal, level and load-bearing load application points
specified by the vehicle manufacturer.
Operate the lift only when there is no risk for persons.
Do not exceed the maximum load capacity of the jack,
load handling devices and supporting bridges/trestles.
Load the jack and the load handling device only centered by always having the center of gravity of
the load in the middle.
Safety notes
Climbing onto the jack or load is not permitted.
Always keep the movement range of the jack free.
Keep the movement range of the load and the load handling device free.
Only drive on the pit when jack is completely retracted
The complete lifting of vehicles with one or more jacks is not allowed.
Perform lifting and lowering movements evenly. Watch the load.
Only operate jack in a perfectly safe condition.
In case of a malfunction, stop the lift immediately and secure it. Have any faults repaired
immediately.
Do not operate the jack with compressed air that contains condensates or debris.
Cover the piston rod with strongly adhering underbody protective agents or paints when working.
Keep the piston rod and spigots of the load handling device free of sand and dirt.
Disconnect jack from the compressed air supply after finalizing the work or before longer breaks.
Remove detachable pump rods after each operation.
CAUTION
Damage to jacks and vehicles due to load handling devices and extended piston rods
When entering and leaving workshop pits and lifting platforms, piston rods must always be
completely retracted.
There must be sufficient clearance between the load handling device and the vehicle.
Considerable longitudinal forces may occur when lifting vehicle axles
Release the vehicle’s parking brake and put the vehicle in neutral so that the standing wheels can
follow.
Lifting vehicles
Use the jack to slightly lift the vehicle at the load application point.
Check that the vehicle is securely supported and sits firmly.
Lift vehicle to the desired height.
Secure vehicle against rolling away, e.g. with wheel chocks.
Secure vehicle with supporting bridges/trestles.
Lowering vehicles
Remove roll-away prevention on the vehicle.
Slightly lift vehicle with the jack and remove the supporting bridges/trestles.
Lower the vehicle slowly.
Retract the piston rod [10] completely and make sure that the support plate is on the piston rod.
Transport of vehicle parts
Position the vehicle part centered on a jack with a suitable gear plate.
Secure the vehicle part with chains or belts.
Retract piston rod [10] completely and transport the vehicle part.

Operating Instructions for Suspended Jacks
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7Maintenance and Repair
WARNING
Risk of injury and material damage
Perform maintenance and repair of the lift always without a load.
Safety notes
Maintenance and repair work on the jack may be performed only by specialists.
Disconnect the jack from the compressed air supply or from the electrical mains before carrying
out any maintenance and repair work.
After maintenance and repair work on the hydraulic system, the system must be vented.
Always retighten screwed connections loosened during maintenance and repair work.
Do not clean the jack with a high-pressure or steam jet.
As there is a high risk of slipping on an oily workshop floor, always catch oil in a suitable
container and dispose of it correctly.
When handling oil, grease, and chemical substances, the safety regulations for the product must
be observed.
Do not use aggressive cleaning agents to clean the lift.
Use only original spare parts of the manufacturer (11) and approved supplies (7.7).
Pay attention to safe and environment-friendly disposal of lubricants and auxiliary materials (e.g.
hydraulic oil) and replaced parts.
7.1 Maintenance Intervals
Lifts in continuous operation or in especially contaminated surroundings shall be serviced more
frequently.
Weekly
Perform function test. (7.2)
Check compressed air supply. (7.3)
Top up anti-rust oil. (7.4)
Check the hydraulic oil level. (7.5)
Check connection cables/hoses for damage and abrasion.
Lubricate castors.
Clean the jack and apply rust preventives.
Annually
Perform the safety test. (7.6)
Change the hydraulic oil. (7.7)
Clean and grease the bearings of all castors.
Check track width of the transversely adjustable undercarriage (4.2)
Check screw connections of the undercarriage and tighten, if necessary (4.2)
Every 5 years
Replace hydraulic hoses. (7.8)
7.2 Perform Function Test
Test the full functionality of the jack without load.
Test the full functionality of the jack with load.
In case of a malfunction, stop the lift immediately and secure it. Have any faults repaired
immediately, and insure problem-free operation.
7.3 Check Compressed Air Supply
Check and maintain the filter and water separator according to the manufacturer’s instructions.
Check supply pressure. (4.3)
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7.4 Top up Anti-Rust Oil
A

Refill anti-rust oil (

7.7) by using an oil
pump A and grease nipple.
7.5 Check the Hydraulic Oil Level
Hydraulic oil level load stroke
Retract piston rod [10] completely.
Unscrew the oil dip stick [7] and check the hydraulic oil level. Fill in new hydraulic oil up to the
mark. If oil level is too high, drain the condensate. (7.9)
Replace the dip stick.
Hydraulic oil level retrieval
Extend piston rod [10] completely.
Unscrew oil dip stick retrieval [9] and check hydraulic oil level.
Fill in new hydraulic oil up to the mark.
Replace the dip stick.
7.6 Perform Safety Test
The safety test must be performed by a specialist:
•Prior to initial commissioning
•Periodically after initial commissioning (at the latest yearly)
•After a change of the place of installation
•After repair work and changes in the construction
The following items must be checked on the lift:
•Quick reference guide
•Nameplate
•Marking on the lift
•Correct installation of the undercarriage
•Tilt protections on the lifting cylinder
•Pull-out safety devices at the undercarriage
•Condition of the load-carrying devices and the operating elements
•Condition of the support construction and the welding seams
•Leak-tightness of the hydraulic system
•Hydraulic oil level
•Connection cables/hoses
Perform function test
Enter the result into a test record.
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7.7 Changing the Hydraulic Oil
An oil change requires:
•Collection receptacle for the hydraulic oil
•Hydraulic oil, class HLP, viscosity ISO-VG 22 (HLP 22).
•Information concerning the oil quantity. (3)
•New sealing rings. (11)
Hydraulic oil load stroke
Retract piston rod [10] completely.
Disconnect the jack from the compressed air supply or from the electrical mains.
Remove oil drain plug of load stroke [5] and drain the hydraulic oil.
Reinstall the oil drain plug with a new O-ring.
Remove oil dip stick of load stroke [7] and fill in new hydraulic oil up to the mark.
Reinstall the dip stick with a new O-ring.
Hydraulic oil retrieval
Extend piston rod [10] completely.
Disconnect the jack from the compressed air supply or from the electrical mains.
Remove oil drain plug retrieval [8] and drain hydraulic oil.
Reinstall the oil drain plug.
Remove oil dip stick retrieval [9] and fill in new hydraulic oil up to the mark.
Reinstall the dip stick with a new O-ring.
Bleed the jack after changing the oil. (7.10)
7.8 Replace Hydraulic Hoses
Retract piston rod [10] completely.
Disconnect the jack from electrical mains.
Remove ventilation screw and attach the closure D. (4.1)
Remove tilt protection bracket [1], remove lifting cylinder and lay horizontally.
Remove cover [11] and disconnect hydraulic hoses.
Install new hydraulic hoses. (11)
Insert lifting cylinder into the undercarriage and replace the tilt protection brackets on both sides.
Remove closure D and check the hydraulic oil level of the load stroke. (7.5)
Reinstall ventilation screw and bleed jack. (7.10)
7.9 Drain the Condensate
Condensate (water) may enter the hydraulic system with compressed air.
The oil level rises and oil may escape at the control.
Required to drain the condensate:
•Collection receptacle for the hydraulic oil
Remove oil drain plug of load stroke [5] until an oil-water mixture emerges.
As soon as pure hydraulic oil emerges, reinstall the oil drain plug.
Check hydraulic oil level of load stroke. (7.5)
7.10 Bleed the Jack
Press manual pump [4] approx. 5 to 10 times and at the same time actuate drain valve [3].
Extend and retract piston rod [10] completely.
Repeat the process as needed.
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7.11 Clean or replace the Pneumatic Control Valve
G
A
B
C
D
F E
D
F
E

Disconnect jack from compressed air supply.
Release spring washers A, pull out axle B and remove operating elements C.
Remove screws D and remove cover E as well as control valve F towards the front.
Replace O-ring G, install new control valve (11) and reattach via screws D.
Insert operating elements C and axis B and secure with spring washer A.
7.12 Replace Hydraulic Block
A
B
D C
Disconnect jack from compressed air supply.
Remove tilt protection bracket [1], remove
lifting cylinder and lay horizontally.
Remove compressed air lines from the air
motor.

Remove screws B and remove hydraulic block
A towards the front.
Remove, clean and replace sieve C.
Replace O-rings D.
Fit new hydraulic block and reattach with
screws D.
Reinstall compressed air lines.
Insert lifting cylinder into the undercarriage
and replace the tilt protection brackets on
both sides.
Check hydraulic oil level of load stroke.
(7.5)
Bleed the jack. (7.10)
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8Troubleshooting
The following lists possible problems that may occur. If an undefined malfunction occurs, contact
customer service.
Problem
Cause
Troubleshooting
Piston rod [10] gives in under
load.
•
Cylinder tube corroded,
piston boots worn or ball
valves leaking.
Request customer service.
•Hydraulic oil contaminated.
Change the hydraulic oil. (
7.7)
Hydraulic oil emerges at the
piston rod [10].
•Damage to the piston rod
has destroyed the seal.
Request customer service.
Hydraulic oil emerges at the
pneumatic control valve.
•Condensate in the hydraulic
oil.
Check hydraulic oil level (
7.5) and drain condensate, if
necessary. (7.9)
•
Piston boot on lift cylinder
leaking.
Request customer service.
Control elements [2] do not
return to the initial position.
•
Contamination.
Clean or replace pneumatic
control valve.
(

7.11)
Air emerges at the pneumatic
control valve.
•Contamination, damage or
defective seal.
Clean or replace pneumatic
control valve.
(7.11)
Problem
Cause
Troubleshooting
Jack does not provide full
lifting force.
•
Supply pressure too low.
Check supply pressure. (

4.3)
•
Load not centered.
Position load centered.
Piston rod [10] gives in under
load.
•Cylinder tube corroded,
piston boots worn or
pneumatic control valve
leaking.
Request customer service.
Piston rod [10] moves up or
down by itself.
•Pneumatic control valve
leaking.
Replace pneumatic control
valve. (7.11)
Control elements [2] do not
return to the initial position.
•Contamination.
Clean or replace pneumatic
control valve.
(7.11)
Air emerges at the pneumatic
control valve.
•Contamination, damage or
defective seal.
Clean or replace pneumatic
control valve.
(7.11)
9Decommissioning and Disposal
Drain hydraulic oil. (7.7)
Disassemble the jack. (4.2)
Correctly dispose of hydraulic oil and lift.
H
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