background image

Pub. No. 1200 — November 2005

15

RITE-HITE STR-4000 DOK-LOK Installation Manual

HOOK CYLINDER
1.25 x 3 x .5 ROD

AUXILLARY MANIFOLD
MOUNTED ON CARRIAGE

MAIN SUPPORT

CYLINDER, RH

3.5 x 9

MAIN SUPPORT

CYLINDER, LH

3.5 x 9

2

MR

#6SAE

P

#6SAE

PCC

ML

#6SAE

1

3

CV

PP

1

2

MR

#6SAE

2

1

CV

#6SAE

ML

L

#6SAE

#4SAE

1

HR

#4SAE

RV

2

HL

#4SAE

RI

#6SAE

2

RV

2

LI

3

RO

#6SAE

SOL3
WKC

PCC

1

3

1

2

CV

4

1

1

2

2

2

SOL 1
WKX

1

RP

3

#6SAE

SOL2
WKV

LO

#4SAE

T

#6SAE

LP

#6SAE

1

(LIP OUT)

(RAMP OUT)

COMBINATION POWER UNIT 
VALVE BLOCK. LOCATED
ADJACENT TO LEVELER 
POWER UNIT

Check

Valve

Pilot To Close

Check Valve,

50 PSI

.020 Orifice

Relief Valve,
675 PSI

Check

Valve

Pilot To Close
Check Valve

Pilot To Open

Check

Valve

Relief Valve,

2000 PSI

NOTE: THIS HOSE IS 
            A #4SAE HOSE.

(MAIN RAISE)

(MAIN LOWER)

(LOWER)

(LOWER PORT)

(RAISE PORT)

(TANK)

(LIP IN)

(RAMP IN)

(PRESSURE)

(HOOK LOWER)

(HOOK RAISE)

(MAIN RAISE)

(MAIN LOWER)

Figure 13 - Hydraulic Schematic - Combo Power Unit

HYDRAULIC SCHEMATIC - COMBO POWER UNIT

Summary of Contents for Dok-Lok STR-4000

Page 1: ...Manual Covers Serial No 05GD150001W And Up PRINTED IN U S A RITE HITE PRINT SHOP PUBLICATION NO 1200 Copyright 2004 2005 NOVEMBER 2005 STR 4000 Dok Lok Vehicle Restraint Installation Manual MADE IN U...

Page 2: ...the truck driver and DOK LOK vehicle restraint operator that a safe condition exists The DOK LOK vehicle restraint is operated by pressing push buttons on an inside control panel NOTICE TO USER Your l...

Page 3: ...r become unreadable RITE HITE Corporation does not recommend any particular lockout device but recommends the utilization of an OSHA approved device refer to OSHA regulation 1910 147 RITE HITE Corpora...

Page 4: ...arnings when work is being performed on the leveler Never be under the dock leveler platform or lip without Install the Safe T Struttm or other manufacturer approved supporting device See figure 2 If...

Page 5: ...hin pit A shim must be inserted between the roller track plate and the leveler front subframe and then must be welded in place See page 17 b If the dock conditions DO NOT allow lights and signs to be...

Page 6: ...ove track cover plate and weld top of track to leveler front frame angle and or pit steel NOTE 1 Figure 2 Shims must be the full length of the roller track mounting plate and base plate Minimum electr...

Page 7: ...LATION CONT Figure 4 Completing Mechanical Installation Attach Lifting Chains Leveler Front Curb Angle Embedded Mounting Plate or Dok Lok Bracket Approach 625 Dia Concrete Anchors Are Required Whereve...

Page 8: ...nt power unit on dock wall as shown in figure 5 using the supplied mounting bracket Power unit must be mounted on side shown and within 24 of control box If power unit location is to be under the leve...

Page 9: ...entrances are required WIRING DIAGRAM STAND ALONE POWER UNIT FROM OUTSIDE LIGHT BOX TO POWER SOURCE OUTSIDE LIGHT BOX SEE DETAIL A INSIDE LIGHT CONTROL BOX SUPPLIED BY OTHERS 30 AMP RATED FUSED DISCON...

Page 10: ...1 L 2 MCOM M1 SCOM SOL1 SOL2 CR4 CR5 250v 1A Fast Blow 250v 20A Slow Blow M1 SOL1 SOL2 BLK WHT 120 VAC 0 23 AMPS Raise Solenoid 1 SCom 2 Sol1 To Customer Power Supply 120v 1PH 60Hz 20 Amp 30 Amp Rated...

Page 11: ...ER SOURCE OUTSIDE LIGHT BOX SEE DETAIL A INSIDE LIGHT CONTROL BOX SUPPLIED BY OTHERS 30 AMP RATED FUSED DISCONNECT 5 14 GA WIRES DETAIL A SUPPLIED BY RITE HITE OUTSIDE LIGHT BOX FROM CONTROL BOX SIDE...

Page 12: ...0 23 AMPS Raise Solenoid WKX 1 SCom 2 Sol1 To Customer Power Supply 120v 1PH 60Hz 15 Amp Fused Disconnect With 1 Amp Dual Element Time Delay Fusing Supplied By Others PB3 PB2 PB1 ISA LOCK UNLOCK OSG...

Page 13: ...6 Cycle the DOK LOK up and down to remove air from the system Add remaining hydraulic fluid Stop cycling once the support cylinders travel up and down the full length of slots without hesitation 7 Pre...

Page 14: ...CK VALVE 50PSI VMS ORIFICE 020 ADJUSTABLE SYSTEM RELIEF 675 PSI MOTOR 120 1 60 MAIN SUPPORT CYLINDER RH 3 5 x 9 MAIN SUPPORT CYLINDER LH 3 5 x 9 2 P 6SAE PCC 1 3 CV PP 1 2 2 1 CV L 6SAE 4SAE 1 HR 4SAE...

Page 15: ...V 4 1 1 2 2 2 SOL 1 WKX 1 RP 3 6SAE SOL2 WKV LO 4SAE T 6SAE LP 6SAE 1 LIP OUT RAMP OUT COMBINATION POWER UNIT VALVE BLOCK LOCATED ADJACENT TO LEVELER POWER UNIT Check Valve Pilot To Close Check Valve...

Page 16: ...oid Return to Tank Port Leveler Ramp Out Port Adjustable Relief Valve NOTE LOCATED ADJACENT TO LEVELER POWER UNIT ONLY ON COMBINATION POWER UNITS Figure 15 Combination Power Unit Valve Block Assembly...

Page 17: ...nchors Are Required If 1 or Greater DOK LOK Bracket Required A Dim Length From Top Of Pit Steel To Bottom Of Track Plate B Dim Thickness Of Shim C If Dimension C Is Greater Than 3 inches Consult Facto...

Page 18: ...y with height of the channels c If site conditions warrant a spacer different than shown consult the factory 2 Weld both sides of Base Plate Support Spacer to Base Plate and anchor to approach See fig...

Page 19: ...ench drain is below the base plate embed PVC pipe in concrete for drainage Concrete should extend a minimum of 6 inches to either side of of mounting plate NOTE If concrete can not be used consult fac...

Page 20: ...acities and or specified design parameters and not otherwise abused Periodic lubrication and adjustment is the sole responsibility of the owner This warranty is RITE HITE s exclusive warranty RITE HIT...

Reviews: